Abdominal Pain

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Abdominal pain is one of the most common physical symptoms. The severity can vary greatly, from a mild sensation of pressure to intense, cramp-like pain. From a clinical perspective, abdominal pain refers to nonspecific pain sensations in the area between the lower edge of the ribcage and the groin region.
There are many organs in this part of the body, and problems with any of them can cause pain. Commonly affected areas include the stomach, small and large intestines, liver, gallbladder, pancreas, urinary tract, and in women, the internal reproductive organs. The reasons for stomach pain can vary a lot—from digestive issues and inflammation to more serious short- or long-term medical conditions. It’s also important to know that stress or hormonal changes can influence how we feel pain. This is because the digestive system and the nervous system are closely connected.
Specific details like where the pain is, how long it lasts, and what it feels like can often give helpful clues about what’s causing it. For example, pain in the upper part of the belly is often related to the stomach, intestines, or liver and gallbladder. Pain in the lower belly is more likely to be connected to the urinary system or, in women, the reproductive organs.
Therefore, it is of great importance to obtain the medical history as well as accompanying symptoms such as nausea, fever, or stool changes in order to initiate targeted diagnostics and, if necessary, further treatment.
Causes of Abdominal Pain
Stomach pain can have many different causes. Because the abdomen contains so many organs and structures, figuring out the exact reason for the pain can be difficult. The cause might be something harmless, like a mild digestive issue, or something more serious that needs quick medical attention. Sometimes, stress or emotional factors can also play a role. What’s most important is telling the difference between short-term, harmless pain and pain that could be a sign of a more serious health problem.
Dietary Causes: Abdominal Pain After Eating
Dietary causes are among the most common triggers of abdominal pain, especially when they occur directly after eating. The digestive system reacts very sensitively to what we consume. Even small imbalances or intolerances can lead to complaints such as feeling of fullness, bloating, abdominal cramps, or diarrhea. These symptoms are often due to inappropriate eating habits or reactions to certain food components.
Food intolerances are often at the center of these complaints. With lactose intolerance, the body cannot properly break down milk sugar, called lactose, which manifests as bloating, diarrhea, and abdominal pain after consuming dairy products. Similarly, gluten intolerance, celiac disease, leads to an inflammatory reaction in the intestine when gluten-containing foods are consumed. This not only leads to severe abdominal pain and chronic diarrhea but also impair nutrient absorption long-term. Another cause can be histamine intolerance. Here, the body reacts hypersensitively to histamine-rich foods such as aged cheese, wine, fish, or sausage, which can manifest as gastrointestinal symptoms, skin reactions, or circulatory problems.
However, symptoms such as bloating, constipation, or diarrhea may also occur after eating without an actual food intolerance being present. Possible causes include meals that are too fatty, heavily spiced, or difficult to digest, as well as eating too quickly or having an irregular eating schedule. Additionally, some individuals are sensitive to certain additives or highly processed foods.
All these factors show how closely nutrition is connected to the well-being of the digestive tract. If you regularly suffer from abdominal pain after eating, it makes sense to question eating habits and, if in doubt, have them clarified medically or nutritionally. Only in this way can you find out long-term what is good for the body and what might burden it.
Dr. med. Karsten Ostermann M.A.
If symptoms are recurring, it is advisable to seek specialised medical advice to ensure appropriate treatment. Integrative and holistic medical approaches are very effective and can improve long lasting and effective stomach relief.

Stress-Related Abdominal Pain
Stress-related abdominal pain is a common phenomenon and demonstrates the close connection between the digestive system and our mental well-being. During stressful phases, the body often reacts via the enteric nervous system with gastrointestinal disorders. Both acute and chronic stress can lead to functional disorders in the digestive tract, even when no organic cause should be present.
A central issue with stress-related symptoms is increased gastric acid production, which can lead to heartburn, stomach pressure, or gastritis (inflammation of the stomach lining). If this irritation continues over time, it could increase the risk of getting a stomach ulcer. Stress also affects how the intestines move, which can lead to diarrhea, constipation, or bloating. A common sign of this is having a “queasy” or unsettled stomach, with irregular bowel movements and changes in stool consistency.
When the muscles in the stomach area are tense for a long time, it can cause uncomfortable pressure or pain—even if there’s no physical problem inside the belly. This is often seen in a condition called irritable bowel syndrome (IBS), where stress is one of the main causes. Many affected individuals report that their symptoms significantly worsen under psychological stress. Psychosomatic factors also play a significant role in recurring abdominal pain.
Furthermore, persistent stress increases the risk of other gastrointestinal diseases, including gastritis and stomach ulcers, irritable stomach (functional dyspepsia), bile duct-related complaints or functional upper abdominal pain. In individuals with a genetic predisposition, stress may also contribute to the onset or worsening of chronic inflammatory bowel diseases such as Crohn’s disease or ulcerative colitis. Conditions such as depression, anxiety disorders, or sleep disorders can also interact with the digestive tract via the autonomic nervous system and intensify symptoms. Another contributing factor is that stress often leads to eating too quickly or without paying attention, which can impair digestion and result in symptoms such as bloating, nausea, or burping.
Effectively relieving stress-related abdominal pain requires a holistic approach that goes beyond medical diagnosis and treatment. It should also include stress management strategies, mindful eating habits, and, when necessary, psychological or psychotherapeutic support.
Infections and Inflammations
Infections and inflammation in the belly are some of the most common and important causes of stomach pain. They usually happen when the immune system reacts to harmful germs like bacteria or viruses, or to inflamed tissue. The symptoms can be very different from person to person—some people feel just a bit unwell, while others may develop more serious and potentially dangerous medical conditions.
One of the most common causes is Gastritis, an inflammation of the stomach lining. It can be triggered by excessive stress, certain medications such as painkillers, or an infection with the bacterium Helicobacter pylori. Typical symptoms include burning stomach pain, nausea, and a persistent feeling of fullness. Gastrointestinal infections are also widespread, often caused by noroviruses, rotaviruses, or bacteria such as Salmonella. These infections typically lead to sudden diarrhea and abdominal pain, often accompanied by vomiting and feeling generally unwell. Food poisoning from spoiled or contaminated food can lead to similar problems.
A particularly important condition to consider is appendicitis. It typically begins with general stomach pain, which later moves to the lower right side. This is a medical emergency, and quick treatment is important to avoid serious complications. Another serious condition is inflammation of the pancreas, known as Pancreatitis. It’s often caused by gallstones or drinking too much alcohol. People with pancreatitis usually have strong pain in the upper belly that spreads around the sides like a belt-like pattern, along with nausea and fever.
Other inflammations in the belly can also cause pain, such as a urinary tract infection or bladder infection often causes pain in the lower belly and a burning during urination. Another condition is diverticulitis—this is when small pockets in the wall of the intestine become inflamed. It usually causes pain on the lower left side and is more common in older adults. Gallstones should also be considered, sometimes causing sudden, cramping pain in the upper right part of the belly, known as a gallbladder attack.
Recently, Long-Covid also represents a possible cause of persistent abdominal pain. In some individuals, symptoms affecting the digestive system appear weeks or even months after a COVID-19 infection. The exact reasons are still not completely understood yet, but it is assumed that ongoing inflammatory processes or an imbalance in the gut microbiome could play a role.
Overall, a careful medical check-up is essential for abdominal pain caused by inflammation or infection especially when the complaints are severe, persistent, or accompanied by fever or nausea.
Chronic Diseases
Chronic diseases of the gastrointestinal tract can lead to recurring or persistent abdominal pain over weeks, months, or even years. The pain is often hard to pinpoint, vary in intensity, and often occur together with other symptoms such as diarrhea, constipation, bloating, or general discomfort. In cases of ongoing or frequently recurring abdominal pain or complaints that persist for several days to weeks, chronic inflammatory or functional bowel diseases should also be considered.
Among the most common chronic causes are Crohn’s disease and ulcerative colitis. They are forms of chronic inflammatory bowel disease (IBD). Crohn’s disease can affect the entire digestive tract from mouth to anus, with typically on-and-off abdominal pain, chronic diarrhea, fever, and weight loss occurring. Ulcerative colitis, on the other hand, only affects the large intestine and usually causes bloody-mucous diarrhea, cramping lower abdominal pain, and an urgent need to use the bathroom.
Irritable bowel syndrome (IBS) is also a common cause of long-lasting or repeatedly recurring abdominal pain. Unlike other inflammatory bowel diseases (IBD), IBS does not cause any visible organic damage to the digestive system. The complaints are often triggered by stress, certain foods, or hormonal fluctuations.
Another relevant but often overlooked cause is the so-called SIBO (Small Intestinal Bacterial Overgrowth), an overgrowth of bacteria in the small intestine. This involves an excessive increase of bacteria in the small intestine, leading to bloating, feeling of fullness, irregular bowel movements, and chronic abdominal pain. SIBO often occurs in connection with other diseases or after antibiotic treatments and can be diagnosed through specific tests.
Abdominal Pain During Pregnancy
Abdominal pain during pregnancy occurs relatively frequently and can have very different causes. They can vary from harmless physical changes to more serious complications. As the uterus grows and hormone levels change, it’s normal to feel things like cramping from stretched ligaments, constipation, or bloating. The increasing pressure on abdominal organs can also lead to a sensation of fullness or discomfort.
In the first trimester, abdominal pain is often due to implantation of the fertilized egg or early expansion of the uterus. Mild, pulling pain is usually considered harmless here. However, if severe pain or bleeding occurs, this can indicate a possible miscarriage or ectopic pregnancy, both of which require immediate medical attention. Very severe nausea with abdominal cramps, such as with Hyperemesis gravidarum, can also significantly impact well-being.
In the second trimester, stomach discomfort is often caused by the growing uterus, stretched ligaments and digestive issues. Additionally, Braxton Hicks contractions can occur. These are irregular, usually painless contractions that are considered preparation for birth.
In the third trimester, lightening contractions occur more frequently, signaling the body’s preparation for labor. Premature contractions are also possible. They should be taken seriously, as they may indicate the risk of preterm labor and require medical evaluation. If abdominal pain is accompanied by high blood pressure, visual disturbances, or swelling, there is suspicion of preeclampsia, a potentially dangerous pregnancy disease that should be treated urgently.
Women: Lower Abdominal Pain
Lower abdominal pain is a common symptom in women and can have many different causes. They frequently occur in connection with the menstrual cycle. Menstrual pain, also called dysmenorrhea, often feels like pulling or cramping pain in the lower belly and occurs during a woman’s period. Premenstrual syndrome (PMS) can also cause lower abdominal pain, along with mood swings or water retention.
Another possible cause of lower abdominal pain in women is Endometriosis. Tissue similar to the uterine lining grows outside the uterus, which can lead to severe, often cycle-related pain. Sudden, usually one-sided pain (right or left) in the lower abdomen can also indicate an ectopic pregnancy, a serious situation that urgently requires medical treatment.
Hormonal changes during menopause can also be accompanied by lower abdominal discomfort, as the hormonal balance and function of the reproductive organs change. Overall, it is important to take lower abdominal pain in women seriously and seek a medical check up. Especially with persistent or severe complaints, to specifically diagnose and treat the cause.
Corona and Abdominal Pain
While COVID-19 is best known for affecting the lungs, it can also cause digestive issues like stomach pain, diarrhea, and nausea. These symptoms often happen because the virus triggers inflammation in the intestines, sometimes causing a condition called colitis that directly impacts digestion. In more severe cases, thrombosis can form in the abdominal blood vessels, restricting blood flow to the intestines and lead to intense abdominal pain.
In addition to the direct effects of infection, secondary factors also play a role: stress triggered by the illness, as well as side effects of medications such as ibuprofen, can intensify gastrointestinal problems. Particularly in the context of Long-Covid, many affected individuals report persistent digestive problems that can persist for weeks or even months after the initial illness.
Referred Abdominal Pain - Pain Referral
Referred abdominal pain occurs when the source of the pain is not actually within the abdominal area, but the pain is perceived there. This happens because an affected organ or body part sends signals that the nervous system mistakenly interprets as coming from the abdomen. This is due to the complex network of nerves from different areas of the body that connect and send signals together through the spinal cord.
A classic example is myocardial infarction (heart attack). Particularly in women or older people, instead of typical chest pain, vague upper abdominal discomfort, nausea, or pressure sensations in the stomach area can occur. Similarly, diseases affecting the lungs, spine, or pelvis, such as pneumonia or disc problems, can also cause pain that feels like it’s coming from the abdomen.
Accurately identifying these symptoms requires a thorough medical history and diagnostic evaluation, as the actual cause may lie outside the abdominal area and, in some cases, require urgent treatment.
Abdominal Pain by Age
Abdominal pain is a common symptom that can occur in any age group. However, possible causes differ significantly depending on age and biological sex. While infections or functional issues are often the main factors in children, in adults it is increasingly chronic diseases, diet-related problems, or hormonal influences.
Abdominal Pain in Adults
In adults, abdominal pain can have a variety of causes. They range from harmless digestive complaints to serious organ diseases. Both age and sex play a central role in diagnosis.
In women, hormonal factors often play a central role. Period-related pain, such as that experienced during premenstrual syndrome (PMS) or menstruation, is among the most common causes of lower abdominal discomfort. Diseases such as endometriosis, ovarian cysts, or ectopic pregnancy can also be responsible for severe, usually one-sided pain. During menopause, functional bowel issues or changes in pelvic organs occur more frequently, which can also be presented as abdominal pain.
In men, gastrointestinal tract diseases, such as stomach ulcers, gallstones, or pancreatitis, are more commonly the cause of abdominal pain. Inguinal hernias, urinary tract diseases, or more rarely, inflammatory bowel diseases such as Crohn’s disease can also trigger abdominal pain. Nevertheless, attention should also be paid to stress-related factors, which can cause symptoms of irritable bowel syndrome in both men and women.
Assessing abdominal pain in adulthood requires a precise history check-up and often further diagnostics to better distinguish functional, hormonal, and organic causes from each other.
Abdominal Pain in Children
Abdominal pain is one of the most common complaints in childhood. The causes are often diverse and range from harmless, temporary problems to serious diseases. Particularly in smaller children, it is often difficult to capture the exact location and intensity of pain, which additionally complicates precise assessment.
In many cases, abdominal pain is caused by relatively harmless factors such as bloating or temporary constipation. Stomach and intestinal infections, which are usually viral, also occur frequently, particularly in kindergarten and school children. These often go along with diarrhea, nausea, vomiting, and sometimes fever. Another common trigger is emotional stress such as school stress, separation anxiety, or family conflicts, which can show up as physical symptoms.
Food intolerances, such as lactose intolerance or celiac disease, can also cause recurring or persistent abdominal pain in children. In older children, especially those of school age, careful observation is important to recognize a pattern. If pain occurs frequently after eating or in stressful situations, this can be an important clue.
Special caution is advised when abdominal pain occurs on the right side and suddenly, particularly when accompanied by fever, nausea, or loss of appetite. In this case, immediate medical evaluation is necessary, as acute appendicitis could be present. It is one of the most common emergency operations in children.
Abdominal Pain in Babies and Newborns
Abdominal pain in babies and newborns is a common issue and one of the typical challenges of the first months of life. Since infants are not yet able to express pain directly, they usually show complaints through increased crying, restlessness, pulling their legs up toward the belly, or a hard abdomen. For parents, this can be stressful and unsettling, particularly when no clear cause can be recognized.
One of the best-known causes is the so-called three-month colic, which typically occurs from the second week of life and can last until about the third month. These involve painful intestinal cramps caused by still immature digestion. Air swallowing during drinking, whether from the breast or from a bottle, can also lead to bloating and make the discomfort worse. Not burping properly after feeding or drinking too quickly are also known to contribute to these symptoms.
Bloating and occasional constipation are also common and can be uncomfortable for the child. In some cases, intolerance to milk protein or lactose is linked to abdominal pain. Rarely through breast milk, but more frequently due to infant formula. In such cases, a change in milk product or seeking medical advice can be helpful.
When abdominal pain in babies is very intense, persists longer, or is accompanied by symptoms such as fever, vomiting, bloody stool, or unusual drowsiness or lack of responsiveness, medical advice should be sought quickly. In rare cases, organic causes such as intestinal obstruction or intussusception can be behind the symptoms.
Abdominal Pain by Location
The exact location of abdominal pain can be a crucial clue to the underlying cause. From a medical perspective, the abdomen is divided into four quadrants: right and left upper abdomen, as well as the right and left lower abdomen. Additionally, certain symptoms can also be linked to the middle abdominal region or the area around the navel.
The upper abdomen contains the organs such as the stomach, liver, gallbladder, pancreas, and parts of the intestine. The lower abdomen mainly includes parts of the large and small intestines. In women, the internal reproductive organs such as uterus and ovaries are included. Dividing the abdomen into these areas helps to better understand the symptoms.
Depending on whether pain occurs more in the right or left upper abdomen, in the lower abdomen, or on one side, certain causes can be suggested. For example, pain in the upper right abdomen may indicate a gallbladder issue, while discomfort in the left lower abdomen is more likely related to problems in the large intestine or gynecological conditions. Pain that occurs only on one side, such as left-sided abdominal pain or pain in the lower right abdomen, also provides important clues for diagnosis.
Upper Abdominal Pain
Pain in the upper abdomen is a common symptom that can occur both acutely and chronically and has many different causes. The upper abdomen is located just below the breastbone and includes the area above the belly button, extending to the middle as well as to the right and left sides. Several important organs are found in this region, including the stomach, liver, gallbladder, pancreas, as well as parts of the small and large intestine. Depending on location and type of pain, potential causes can be better identified.
Among the most common triggers are stomach problems, particularly inflammation of the stomach lining, known as gastritis. This usually presents as burning, stabbing, or pressing pain in the middle upper abdomen, often accompanied by nausea, loss of appetite, or feeling of fullness. A further cause can be a gastric ulcer, which typically causes pain in the middle upper abdomen, particularly when fasting or at night.
Another common condition is the reflux disease, where stomach acid flows back into the esophagus. The result is burning pain behind the breastbone (sternum) that can spread into the upper abdomen, especially after eating or when lying down. People with this disease often also report acid burping or a bitter taste in the mouth.
Gallstones (cholelithiasis) can also cause severe upper abdominal pain, especially in the right upper abdomen, often wave-like and cramping. They usually occur after eating, particularly after very fatty meals, and can reach to the shoulder or back.
Liver diseases, such as fatty liver or hepatitis, manifest more as dull, pressing pain in the right upper abdomen. Often additional symptoms such as fatigue, yellowing of the skin, or pressure sensations under the right ribcage occur.
Furthermore, the pancreas can also be the origin of severe upper abdominal pain. Pancreatitis, inflammation of the pancreas, usually causes very intense, belt-like radiating pain in the middle upper abdomen that can extend into the back. It often comes along with nausea, vomiting, and fever and requires rapid medical clarification.
Overall, it can be said that if severe upper abdominal pain occurs suddenly or persists for a long time, it should be medically checked. The exact location, pain character, and accompanying symptoms are crucial to be able to make an accurate diagnosis.
Lower Abdominal Pain
Pain in the lower abdomen can also have a variety of causes. The lower abdomen is located below the belly button and can be divided into right, left, and middle areas. Since organs of the digestive, urinary, and reproductive systems are located in this region, taking a detailed medical history and carefully assessing pain symptoms is especially important.
One of the most common causes of lower abdominal pain is cystitis. Women are particularly affected because their urethra is anatomically shorter than that of men. The complaints typically manifest through burning pain during urination, frequent urge to urinate, and a dull pressure or discomfort in the middle lower abdomen.
Irritable bowel syndrome (IBS) is also a very common cause. It is a functional disorder of the intestines, meaning there are no detectable physical changes. This can lead to cramping pain in the left or middle lower abdomen, which often occurs in combination with bloating, constipation, or diarrhea and can be intensified by stress or certain foods.
Acute pain in the lower right abdomen should always consider the possibility of appendicitis. It often begins with vague pain in the upper abdomen or navel area that moves to the right lower abdomen within a few hours. Nausea, fever, and a tightening of the abdominal muscles may also occur.
Gynecological causes represent another important group, particularly in women of childbearing age. These include ovarian cysts, which can arise through hormonal fluctuations, as well as endometriosis, a chronic disease where tissue similar to the uterine lining grows outside the uterus. Both conditions cause long-lasting pain in the lower abdomen, often combined with menstrual pain, spotting between periods, or pain during intercourse.
Among the rarer but clinically still significant causes are chronic inflammatory bowel diseases such as Crohn’s disease and ulcerative colitis. These can manifest through persistent, often left- or right-sided lower abdominal pain, chronic diarrhea, weight loss, and fatigue. Adhesions that can form after abdominal surgeries, are another possible cause of recurring or chronic lower abdominal pain.
Severe or persistent lower abdominal pain, particularly when accompanied by fever, blood in stool or urine, or weight loss, should always be medically clarified.
Left-Sided Abdominal Pain
Left-sided abdominal pain can indicate very different causes depending on the exact location, the type of pain, and any accompanying symptoms. The left side of the abdomen includes both the upper and lower left regions, and the possible conditions vary depending on which organs are involved.
For pain in the left lower abdomen, one of the most common causes is diverticulitis. This is inflammation of small pouches (diverticula) in the large intestine that occur primarily in older people. Diverticulitis typically causes a pulling or pressing pain in the left lower abdomen, accompanied by fever, stool changes, and sometimes nausea. Early diagnosis is important here to avoid possible complications such as abscesses or intestinal perforation.
Irritable bowel syndrome can also manifest through left-sided abdominal pain. Usual symptoms are bloating, cramping complaints, and irregular bowel behavior (diarrhea and/or constipation). The symptoms often occur in episodes and can be further worsened by stress, nutrition, or hormonal changes.
Another possible cause of acute, colic-like pain on the left side is ureteral colic, which occurs when a kidney stone moves from the kidney toward the bladder. The pain is usually very severe, comes in waves, and can radiate to the back or groin. Typically includes symptoms like nausea, vomiting, or blood in urine.
Most of the time, bloating or excessive gas build-up in the intestine is behind the abdominal discomfort. This can result from certain foods, an imbalance in the gut microbiome, or air swallowing and lead to pressing or sharp pains that tend to be felt in the lower left side of the abdomen.
In the left upper abdomen, below the ribs, there are several possible causes of pain. Stomach diseases such as gastritis (inflammation of the stomach lining) or stomach ulcer often cause burning or stabbing pain that increases with fasting or after eating. Nausea, feeling of fullness, or loss of appetite can also be accompanying symptoms.
The spleen, an organ of the lymphatic system, is also located in the left upper abdomen. An enlarged spleen, which can result from infections or blood diseases, or rare splenic infarction, as with clotting issues, can cause pain below the left ribs. They often go along with a feeling of pressure or swelling.
More rarely, diaphragm problems, such as hiatal hernia, are triggers for issues in the left upper abdomen. Here, gastric tissue can enter through the diaphragm into the chest, leading to symptoms such as heartburn, burping, or pressure sensations in the upper abdomen.
Since causes of left-sided abdominal pain are very diverse, from harmless functional problems to serious underlying conditions, precise medical clarification is highly recommended.
Right-Sided Abdominal Pain
Abdominal pain occurring on the right side can indicate various illnesses, depending on whether it’s located in the upper or lower right abdomen. The exact location, type of pain, additional symptoms, as well as individual factors such as age and sex play an important role.
In the right lower abdomen, the most common cause is appendicitis. It often begins with vague pain in the upper abdomen and then typically moves to the right lower area. The pain usually becomes sharper and more intense and often goes along with nausea, vomiting, loss of appetite, or slight fever. Early diagnosis is important, because an untreated appendicitis can lead to a life-threatening rupture of the appendix.
In women, ovarian cysts or fallopian tube inflammations can also lead to pain in the right lower abdomen. These complaints are often cycle-related, one-sided, and can occur with spotting or cramping pain. Gynecological evaluation is essential in such cases.
Also with chronic inflammatory bowel diseases, such as Crohn’s disease, right-sided lower abdominal pain often occurs. Particularly when the last section of the small intestine, the terminal ileum, is affected. The pain is usually persistent and may come in flare-ups, often accompanied by diarrhea, weight loss, and general fatigue.
In the right upper abdomen, however, pain typically occurs with diseases of the gallbladder and liver. Gallstones can cause cramping or wave-like pain that occurs particularly after eating. If inflammation of the gallbladder (cholecystitis) is present, fever, nausea, and tenderness when pressing under the right ribcage can occur.
Liver diseases such as hepatitis or fatty liver can also lead to dull, pressing pain in the right upper abdomen. These pains are usually not very intense but tend to last longer. They may be accompanied by other symptoms such as fatigue, loss of appetite, and yellowing of the skin.
Additionally, kidney stones or urinary tract infections can also cause right-sided abdominal pain, particularly when pain radiates from the back to the lower abdomen. A burning sensation during urination, frequent urge to urinate, or blood in urine indicate involvement of the urinary tract.
Since right-sided abdominal pain can be caused by anything from harmless digestive issues to serious acute conditions, it’s important to seek medical attention, especially if the pain comes on suddenly, lasts a long time, or is particularly intense.
Central Abdominal Pain
Abdominal pain occurring centrally is located around the belly button or directly above it. The exact location of the pain as well as its type, intensity, and any accompanying symptoms can help identify the exact cause. Several organs and blood vessels are located in the middle part of the abdomen, and problems in these areas can lead to a wide range of symptoms.
One of the most common causes of abdominal pain in the middle is related to stomach diseases such as gastric mucosal inflammation or stomach ulcer. These typically cause burning, stabbing, or pressing pain just above the belly button. Additionally, nausea, burping, uncomfortable feeling of fullness, or loss of appetite usually occur. Depending on the type of ulcer, pain may intensify before or after eating.
Another possible cause is intestinal obstruction, also known as an ileus. This is a serious and potentially life-threatening condition where transport of intestinal contents is interrupted. Typical symptoms are cramping abdominal pain, increasing bloating, absent bowel movements, as well as nausea or vomiting. Since the navel area is often affected, an immediate medical check-up is crucial if such signs appear.
An acute inflammation of the pancreas (pancreatitis) can also cause strong, central, belt-like radiating pain. The pain is usually severe, persistent, accompanied by nausea, vomiting, and general illness. Common triggers include gallstones and excessive alcohol consumption.
A rare but potentially very dangerous cause is aortic aneurysm, a pathological enlargement of the main artery in the abdomen. If this aneurysm suddenly enlarges or tears, it can cause sudden, severe pain above the belly button that often radiates to the back or sides. This would be a medical emergency and requires immediate urgent care.
Pain above the belly button can also indicate reflux disease or gallbladder problems.
Overall, a careful evaluation of central abdominal pain is essential and requires a detailed approach. While functional complaints are usually harmless, some causes can represent medical emergencies. Therefore, if the pain is persistent, severe, or new, it is always important to seek medical advice.
Types of Abdominal Pain
Abdominal pain belongs to the most common complaints for which patients seek medical advice. The causes are usually very diverse, as are the ways in which the pain presents itself. To help make an initial assessment, it is useful to distinguish between different types of abdominal pain. The type of pain often provides important clues to the underlying disease and can influence diagnosis. The pain can feel dull and pressing, cramping, stabbing, burning, or colic-like. Equally important is whether the pain is constant, comes in waves, or occurs only with certain movements or after eating.
This distinction alone does not replace a medical diagnosis, but it can be an important first step in helping to differentiate between more serious and less harmful causes.
Colic-like Abdominal Pain
Colic-like abdominal pain is characterized by a distinctive, wave-like pain behavior. Patients report cramping pain phases that suddenly onset, vary greatly in intensity, and can subside just as quickly. Between these pain peaks, pain-free intervals can also occur. This type of pain is often described as extremely intense.
A typical feature is the simultaneous occurrence of autonomic symptoms such as nausea, vomiting, sweating, or restlessness. These often indicate involvement of the autonomic nervous system as a reflex response. During an attack, patients usually find it difficult to get comfortable, unlike with other types of pain.
The most common causes of colic-like abdominal pain can be linked to specific organ systems:
- Biliary colic: Caused by gallstones blocking the bile ducts. The pain typically occurs in the right upper abdomen and may radiate to the back or right shoulder. Symptoms usually start after eating fatty meals.
- Renal colic: Caused by kidney or ureteral stones. Pain usually begins in the flank and spreads to the lower abdomen or into the genital area. Here too, nausea and vomiting are common.
- Intestinal colic in ileus (intestinal obstruction): Caused by blockage in the intestine either mechanical or functional.The pain is often located in the middle of the abdomen and is accompanied by constipation and abdominal bloating. An ileus is a medical emergency.
- Irritable bowel syndrome: Here too, recurring cramping pain can occur, often in connection with bloating, diarrhea, or constipation. Pain intensity is usually lower here than with other colic-like causes.
Cramping Abdominal Pain
Cramping abdominal pain is often described as muscle-like contractions in the abdominal area that often vary in intensity. Characteristic is a pulling, pressing, or cramped feeling. The pain is usually not constant but intensifies in phases and can then subside again.
Among the most common causes of cramping abdominal pain are:
- Irritable bowel syndrome (IBS): One of the most common functional disorders of the digestive tract. Here, pain often occurs in connection with stress, food intake, or bowel movements. It can be accompanied by both diarrhea and constipation.
- Gastrointestinal infections: Triggered by viruses or bacteria, such as norovirus, rotavirus, or Salmonella. They lead to acute complaints such as cramping pain, diarrhea, nausea, and sometimes fever.
- Food intolerances: For example, with lactose intolerance, fructose malabsorption, or gluten intolerance, abdominal cramps, bloating, and diarrhea occur after consumption of certain foods.
- Menstrual complaints: Women experience cramping lower abdominal pain in the days leading up to and during their period. These pains are caused by the natural contractions of the uterine muscles.
Cramping abdominal pain should be medically evaluated if it occurs regularly, becomes very intense, or is accompanied by symptoms such as blood in the stool, fever, or unexplained weight loss.
Stabbing Abdominal Pain
Stabbing abdominal pain usually occurs suddenly and is described as very sharp and intense. Often the pain is clearly noticeable at a specific location in the abdomen. This type of pain can be a sign of serious disease and should always be medically clarified, especially if the pain is very severe, getting worse, or is accompanied by other symptoms, including fever, nausea, or circulatory problems.
Among the most common causes are:
- Appendicitis: Often begins with pain around the navel that then shifts to the right lower abdomen. Nausea, loss of appetite, and fever often occur additionally.
- Gastric ulcer: Stabbing pain in the upper abdomen that sometimes occurs after eating or radiates to the back can indicate an ulcer in the stomach or duodenum.
- Gallbladder inflammation (Cholecystitis): Typically causes intense pain in the upper right abdomen, often after eating fatty foods. The pain may radiate to the right shoulder.
- Pancreatitis: Here severe, belt-like pain occurs in the upper abdomen, often accompanied by nausea and vomiting.
- Intestinal perforation: Very sudden, violent pain that quickly spreads and is associated by a hard abdomen. This is a medical emergency and requires immediate treatment.
Persistent Abdominal Pain
Constant or repeatedly recurring abdominal pain can be a great burden in daily life for many people. The term “chronic abdominal pain” is used when symptoms last for weeks or months, or keep coming back without longer periods of relief. These types of pain may be constant or occur in episodes, but they never fully go away. The discomfort can affect the entire abdomen or be limited to a specific area, such as the upper abdomen, lower abdomen, or a specific side. The intensity of the pain can also vary from mild to severe.
There are a variety of reasons why ongoing abdominal pain can occur. Some of the most common causes are:
- Irritable bowel syndrome (IBS): A functional disorder of the intestine causes frequent abdominal pain, bloating, constipation, or diarrhea – without any detectable physical cause.
- Chronic inflammatory bowel diseases (IBD): These include Crohn's disease and ulcerative colitis. Both diseases often go along with persistent or frequently recurring pain, diarrhea, and weight loss.
- Food intolerances: Lactose intolerance, fructose malabsorption, or celiac disease can also cause constant or frequent abdominal complaints, particularly after eating.
- Gynecological causes: In women, endometriosis, ovarian cysts, or other hormonal factors can also lead to regularly occurring lower abdominal pain.
- Organic diseases: Inflammations such as gastritis, chronic pancreatitis, or biliary tract diseases can also cause long-lasting abdominal pain.
- Psychosomatic causes: Stress, anxiety, or emotional stress also affect the gastrointestinal tract. Such psychologically caused pain is often non-specific and occurs frequently or daily.
Persistent or frequently recurring abdominal pain should in any case be medically evaluated, particularly if it persists longer than two to three weeks, suddenly worsens, or is accompanied by other symptoms. Signs such as fever, blood in stool, severe weight loss, or ongoing nausea may also indicate a serious disease and require precise diagnostic evaluation.
Sudden and Severe Abdominal Pain
Sudden occurring, severe abdominal pain is a serious symptom and should always be medically clarified, Especially when it is very intense, persistent, or accompanied by other complaints such as nausea, fever, or circulatory problems. In many cases, an acute disease can be behind it, which must be treated quickly. Particularly when pain occurs suddenly and rapidly intensifies, this can be a sign of a medical emergency.
Serious abdominal pain, whether in the upper or lower abdomen, can have both harmless and life-threatening causes. Serious emergencies are typically marked by intense pain that does not improve with rest or home remedies. These pains are often accompanied by other symptoms such as high fever, vomiting, blood in the stool, paleness, sweating, or a general decline in overall condition.
Some of the most common causes of sudden and severe abdominal pain include:
- Acute appendicitis or a ruptured appendix that has already occurred
- Gallbladder or kidney colic caused by stones blocking the bile ducts or ureters
- Intestinal obstruction (ileus) where the passage of bowel contents is blocked
- Perforation of a stomach ulcer where a hole forms in the stomach wall
Sudden upper abdomen pain should be taken seriously. In older people, it can sometimes be a warning sign of a heart attack (myocardial infarction), especially when typical chest pain is absent. Severe pain in the upper abdominal can also be triggered by gastric perforation or acute gastric ulcer. In such cases, pain is usually sudden, intense, and often radiates to the back. On the other hand, severe lower abdominal pain, may point to conditions such as an inflamed ovarian cyst or an ectopic pregnancy. Kidney stones or urinary tract infections can also manifest with severe pain in the lower abdomen or along the sides of the body (the flanks).
Unexpected, severe abdominal pain should never be self-treated or waited out. With any suspicion of an acute cause, it is advisable to immediately visit an emergency room or call emergency services – particularly with additional warning signs such as dizziness, low blood pressure, shortness of breath, or altered consciousness.
Symptoms That Can Occur with Abdominal Pain
Abdominal pain often goes along with other symptoms that can provide important clues to the underlying cause. Nausea, vomiting, diarrhea, fever, or circulatory problems are common associated symptoms. Changes in bowel movements, loss of appetite, or a bloated abdomen can also occur together with pain and should be taken into consideration during evaluation.
Abdominal Pain with Nausea & Vomiting
Abdominal pain and nausea occur very frequently together and are typical symptoms in gastrointestinal diseases. Discomfort often begins with pressing or pulling pain in the upper or middle abdomen, accompanied by nausea, which can increase to retching or repeated vomiting. These issues can occur suddenly and intensely or be accompanied by other signs such as loss of appetite, sweating, or circulatory problems.
One of the most common causes of this combination of symptoms is an acute gastrointestinal infection, usually caused by viruses or bacteria. They often lead to abdominal cramps, nausea, vomiting, and diarrhea. All these are typical symptoms of gastrointestinal diseases or reactions to spoiled food. Another possible cause is gastric mucosal inflammation, which can be acute or chronic and often presents with upper abdominal pressure or pain, nausea, and a feeling of fullness. In cases of severe irritation, due to certain medications, alcohol, or infections with Helicobacter pylori, vomiting can also occur. In more severe cases,vomit may contain traces of blood.
Gallstones are another cause of intense pain in the right upper abdomen. Symptoms occur particularly after eating fatty food. Here, acute cholecystitis (gallbladder inflammation) can also be the underlying cause, which requires rapid medical clarification.
Not well known, but not uncommon is the connection between migraine and gastrointestinal complaints. Specifically in children, adolescents, and sensitive adults, migraine can cause not only headaches but also abdominal pain with nausea and vomiting.
Finally, early pregnancy should also be considered. Particularly in the first trimester, many women complain of nausea and abdominal pain, sometimes with morning vomiting. This so-called pregnancy nausea is harmless in most cases but should be observed in case of very severe vomiting.
Abdominal Pain and Changes in Bowel Movements
Abdominal pain combined with noticeable changes in bowel movements is an important warning signal. Changes in stool color, consistency, or frequency can indicate a variety of diseases. Key factors to consider are how suddenly the changes occur, how severe the symptoms are, and whether additional signs such as nausea, weight loss, paleness, or dizziness are present.
One of the more frequent reported concerns is green stool and abdominal pain. Green stool often appears alarming but is not always a sign of disease. In many cases, it is simply a reaction to eating green vegetables, taking iron supplements, or consuming foods with strong coloring. However, if nausea, abdominal cramps, or bloating additionally occur, especially if the stool is watery or contains mucus, an intestinal infection can be the cause. An increased flow of bile, such as during rapid intestinal passage, can also lead to green-colored stool.
Significantly more serious, however, is the combination of blood in stool and abdominal pain. In these cases, the color and location of blood matters. Bright red blood on stool or on toilet paper often indicates hemorrhoids or small tears in the mucous membrane. However, if blood is dark red or even black, this may be due to bleeding in the upper digestive tract, such as from the stomach or small intestine. If this occurs together with abdominal pain, dizziness, paleness, or circulatory problems, this can indicate a serious condition, such as inflammatory bowel diseases like Crohn’s disease or Ulcerative colitis, polyps, or even colon cancer. In such cases, urgent medical evaluation is essential.
Yellow stool accompanied by abdominal pain is also a possible sign of a digestive system issue. If stool is simultaneously greasy, shiny, and foul-smelling, it may indicate a problem with fat digestion. This can be caused by conditions such as pancreatic insufficiency or bile duct problems, where not enough bile acids reach the intestine to properly break down fats.
In general, it can be said that if these changes persist for several days or occur together with stronger abdominal pain or other symptoms, medical check up is highly recommended. Stool and blood tests and imaging procedures such as an ultrasound (sonography) or colonoscopy help identify the exact cause and start proper therapy.
Abdominal Pain and Diarrhea
Abdominal pain along with diarrhea belongs to the most common symptoms in the gastrointestinal tract. Symptoms range from cramping pain throughout the abdomen to frequent urge to defecate, to watery, mushy, or mucous stools. Typical patterns involved are cramping pain that intensifies shortly before bowel emptying.
A common cause is acute gastrointestinal infections, for example by viruses such as noroviruses or rotaviruses, or by bacteria such as Salmonella or Campylobacter. Symptoms usually begin suddenly and lead to several thin bowel movements per day within a short period of time. Food poisoning, caused by spoiled food or toxins, can also lead to diarrhea.
In other cases, intolerance to certain foods is behind the symptoms. With lactose or fructose intolerance, bloating, feeling of fullness, abdominal pain, and frequent diarrhea occur after consuming specific foods. Symptoms usually improve significantly once certain foods are removed from the diet.
If abdominal pain and diarrhea occur regularly or over a long period of time, chronic bowel diseases may be the underlying cause. With irritable bowel syndrome, for example, diarrhea, constipation, and abdominal discomfort alternate.These issues are related to stress or certain foods, even though no visible illness is present. However, in chronic inflammatory bowel diseases, bloody or mucous diarrhea, sometimes with fever, weight loss, and severe exhaustion, occur repeatedly.
The combination of bloody diarrhea and abdominal pain requires special attention. It can indicate an infectious diarrhea illness but can also be a sign of serious bowel problems such as chronic inflammations or even tumors in the intestine.
If diarrhea and abdominal pain lasts longer than two to three days, are very severe, or blood is found in the stool, medical examination is absolutely needed. Diagnostic tests may include stool examinations, blood tests, or imaging procedures.
Abdominal Pain and Constipation
Abdominal pain accompanied with constipation is a common problem. Those affected report rare or difficult bowel emptying, sometimes only twice per week or even less. The stool is usually hard, dry, or lumpy. Additionally, getting rid of the stool usually requires effort and often leads to a feeling of incomplete emptying. Other common symptoms include bloating, an uncomfortable feeling of fullness, and a pressing or pulling pain in the lower abdomen, especially in the lower left area.
Constipation and abdominal pain often occur together because stool can build up in the intestines, causing irritation or stretching. Bloating and feelings of pressure develop due to the slowed movement of intestinal passage.
The causes of these complaints are quite diverse. Often, they are linked to a low-fiber nutrition, insufficient fluid intake, or lack of exercise. All these are factors that slow natural intestinal movement. Stress or irregular lifestyle can also worsen the symptoms.
In some people, irritable bowel syndrome is behind the complaints, where diarrhea and constipation can alternate. Certain medications, such as opiates, iron supplements, some antidepressants, or calcium channel blockers, also affect bowel movements and lead to constipation.
In rare but serious cases, intestinal obstruction (ileus) can cause sudden and severe constipation along with intense abdominal pain, vomiting, and a bloated abdomen.
If constipation with abdominal pain continues over a longer time, appears out of nowhere, or worsens, it is important to have a medical evaluation to rule out any underlying condition that may require treatment.
Bloating and Abdominal Pain
Bloating and abdominal pain often occur together. Often a feeling of fullness arises, accompanied by pressure in the abdomen and often visible swelling of the belly. Symptoms can increase over the day, especially after meals, and are often accompanied by bowel sounds. Abdominal pain from bloating usually occurs when excessive gas builds up in the digestive tract and presses against the intestinal walls. This stretching leads to pulling or cramping pain that is typically felt in the lower abdomen or the sides of the belly. In most cases, these symptoms are not dangerous but can significantly affect your well-being.
A common trigger is food intolerances, particularly to lactose or fructose. If these sugars are not properly digested, they reach the large intestine undigested, where they are fermented by bacteria. This creates gases that cause bloating and abdominal pain. An imbalance in the gut microbiome (intestinal flora) can also increase gas production and worsen these symptoms.
Gas-producing foods can also lead to temporary increase in bloating. Specifically legumes, onions, cabbage, carbonated drinks, or very fatty foods. In sensitive people, even small amounts are enough to trigger unpleasant symptoms.
If bloating with abdominal pain occurs over an extended period or becomes unusually intense, it should be medically checked.
Fever and Abdominal Pain
When abdominal pain occurs together with fever, this can be a sign of inflammatory or infectious disease in the abdominal area. Common accompanying symptoms are chills, heavy sweating, general fatigue, or body aches. These signs indicate that the body is reacting to stress and the immune system is active.
In children, fever occurs quite frequently along with many infections. In connection with persistent or severe abdominal pain, however, it should be carefully observed, as serious causes can also be hidden behind it.
Among the most common triggers of the combination of fever and abdominal pain are gastrointestinal infections, usually caused by viruses or bacteria. Appendicitis, which often presents with increasing pain in the right lower abdomen, as well as cholecystitis (inflammation of the gallbladder), where complaints typically show in the right upper abdomen, must also be considered. Pancreatitis can also lead to fever and serious abdominal pain. Additionally, urinary tract infections, especially with kidney involvement, also can cause pain on the sides of the body (flanks) and fever.
Since some of these conditions require rapid treatment, seeking medical clarification is always important if symptoms are unclear or getting worse.
Abdominal Pain and Back Pain
When abdominal pain and back pain occur at the same time, this can indicate various causes. The pain may be dull or sharp, and can be felt in both the lower back and abdominal area. Often pain extends along the sides of the body (flanks) or radiates from one area to another. In some cases,the pain worsens with certain body positions such as lying, or sitting, and movement restrictions can occur.
The typical causes of both back and abdominal pain are kidney diseases such as kidney stones or a kidney infection (pyelonephritis). A kidney infection often comes with fever, flank pain, and general feeling of illness. Acute pancreatitis can also cause severe pain that radiates belt-like into the back. Gallstones usually lead to cramping pain in the upper abdominal that can also reach into the back. The cause does not always lie in the abdominal area. Spinal problems such as herniated discs, can also lead to abdominal pain. In such cases, irritation of nerve roots can lead to referred pain that is difficult to pinpoint.
Diagnosis of Abdominal Pain
Evaluating abdominal pain usually requires a structured approach, as causes can be very diverse. They range from harmless functional digestive issues to acute diseases that require urgent treatment. The process typically begins with a detailed medical history (anamnesis) as well as thorough clinical examination of the abdomen. Additionally, depending on the observations, laboratory diagnostics such as blood tests to determine signs of inflammation or to assess liver and kidney function. Imaging procedures such as ultrasound or CT scans may also be used. In some cases, functional tests are performed—for example, if a food intolerance or irritable bowel syndrome (IBS) is suspected.
Clinical Examination
The physical examination is a key part of diagnosing abdominal pain and often provides the first important clues to help narrow down the possible causes. It typically begins with inspection, the observation of the abdomen. This involves paying close attention to the abdominal shape, visible scars from previous operations, as well as skin changes, redness, or vascular veins.
Subsequently, the abdomen is examined using a stethoscope to listen to bowel sounds which is a process called auscultation. These sounds are assessed according to whether they are active, reduced, or absent. Complete lack of bowel sounds can, for example, indicate intestinal obstruction or intestinal paralysis (ileus).
Percussion, careful tapping on the abdomen, is used to recognize air or fluid accumulations. A hollow drum-like sound (tympany) indicates increased air in the intestine, while tenderness or pain during tapping in certain areas can indicate kidney or gallbladder irritation.
This is followed by palpation which involves gently pressing on the abdomen to assess for tenderness, muscle tension (guarding), or any noticeable hardening. Specific pain signs such as rebound tenderness, which may suggest a risk of appendicitis or Murphy’s sign that indicate gallbladder inflammation (cholecystitis) are also tested.
Through this abdominal examination, initial signs can be gathered that help guide further diagnosis.
Laboratory Diagnostics
Laboratory diagnostics is another key component in the evaluation of abdominal pain. It provides important information about possible inflammations, infections, or disorders of internal organs.
The first step is usually a basic or complete blood count. This test examines the number and type of blood cells. An increased number of white blood cells (leukocytes), can indicate infection or inflammation. At the same time, the hemoglobin level is checked to see if there is anemia (low red blood cell count), which can occur with chronic blood loss in the digestive tract.
Additionally, CRP value (C-reactive protein) and blood sedimentation rate (ESR) are often measured. Both values increase with inflammation and provide an overview of how active an inflammatory process is in the body. While CRP reacts rather rapidly to changes, ESR particularly reflects long-term change, giving an idea of how the condition has progressed over time.
Liver and kidney values help assess the function of these organs. With elevated liver enzymes, cholecystitis (inflammation of the gallbladder), bile duct obstruction, or other liver-bile system disorder can occur. Kidney functions are also crucial, especially if a kidney related condition is involved.
Electrolytes are also checked; these are mineral salts such as sodium, potassium, and chloride that are essential for fluid balance, nerve function, and muscle activity. An electrolyte imbalance can occur with severe vomiting, diarrhea, dehydration, or kidney problems and may be both a cause and a result of abdominal symptoms.
With suspicion of gastrointestinal disease, a stool examination can be helpful. Here, pathogens, blood, or unusual color changes in the stool are looked out for. Green stool can indicate bacterial infection, yellowish stool can indicate fat digestion problems, and black stool can indicate bleeding in the upper digestive tract.
A urine examination is also useful in many cases. It provides clues to urinary tract infections, blood in the urine, inflammations, or kidney stones that can cause both abdominal and back pain.
Together, these laboratory results provide an important overall picture that, combined with the physical examination and medical history, helps make the right diagnosis and decide if further tests are needed.
Imaging Procedures
When physical examination and laboratory results do not yet provide a clear cause for abdominal pain, imaging procedures are used. They make it possible to visualize the structures and organs in the abdominal area, helping to identify inflammation, blockages, space-occupying lesions (masses), or injuries.
Ultrasound examination is usually the first method of choice. It is non-invasive, quick, painless, and provides valuable information in many cases, such as with gallstones, cholecystitis, free fluids in the abdomen, or enlarged organs. The appendix, kidneys, and parts of the intestine can also be well assessed, provided they are not covered by too many intestinal gases during examination.
An abdominal X-ray is used less frequently but can be very useful for specific concerns, such as with suspicion of intestinal obstruction (ileus) or intestinal perforation, where free air under the diaphragm can show. It can also reveal significantly swollen loops of intestine or calcifications, like those found in gallstones.
In cases of unclear or severe symptoms, computed tomography (CT) scan may be necessary. This method is especially useful for detecting complicated inflammations, internal bleeding, tumors, or injuries. In certain cases, magnetic resonance imaging (MRI) is performed alternatively or additionally, particularly when detailed soft tissue images are required or X-ray radiation should be avoided.
Endoscopy also plays an important role in investigating chronic or unclear complaints. This involves directly viewing the mucous membranes (lining) in the gastrointestinal tract using a camera. During a gastroscopy (gastric endoscopy), gastric ulcers, mucosal inflammations, or sources of bleeding can be recognized. A colonoscopy (intestinal endoscopy) allows the assessment of the large intestine, helping to detect diverticula, polyps, tumors, or signs of chronic inflammatory bowel diseases.
Functional Tests
When organic causes for abdominal pain have been concluded, functional tests can identify intolerances or changes in bowel function that can also lead to issues, even if they are not directly visible in the imaging procedures or laboratory results.
A common trigger of abdominal pain, bloating, and diarrhea is lactose intolerance. It occurs when the body cannot properly digest lactose, the sugar found in milk. The lactose tolerance test measures whether the body can sufficiently break down milk sugar or whether undigested lactose is fermented in the large intestine, leading to gas buildup and symptoms. The fructose intolerance test functions similarly, which checks how well the body processes fructose, the sugar found in fruit.
Another common functional test is the breath test for small intestinal bacterial overgrowth (SIBO). In this test, specific types of sugar are given, and the hydrogen levels in the exhaled air are measured. Elevated hydrogen levels indicate an excessive build up of bacteria in the small intestine, which can lead to bloating, abdominal pain, diarrhea, or nutrient deficiency.
A test for Helicobacter pylori can also be used for diagnosis, particularly with upper abdominal discomfort. This germ is a common trigger of gastritis (inflammation of the stomach lining), gastric ulcers, and even stomach cancer. This can be detected through breath tests, stool examinations, or tissue samples during gastroscopy.
What Helps Against Abdominal Pain? - Treatment and Home Remedies
Abdominal pain is a common symptom that can have many different causes. The appropriate treatment always depends on the underlying reason for the discomfort. For mild or functional issues, simple home remedies—such as applying warmth, drinking soothing herbal teas, or adjusting the diet often help. However, if inflammation, infection, or another organic condition is present, then medical therapy is required.
What Helps Quickly? - Immediate Relief
In cases of sudden or mild abdominal pain, simple measures can often provide quick relief. These are especially effective when the discomfort is caused by bloating, digestive issues, or muscle tension.
Heat is one of the most trusted home remedies. Placing a hot water bottle or warm cherry pit pillow on the abdomen can help relax muscles, promote blood circulation, and relieve cramping pain. A gentle abdominal massage in a clockwise direction can also support natural bowel movement and can reduce bloating and feeling of fullness.
Calm, deep breathing and relaxation techniques such as simply lying down in a comfortable position can also help ease abdominal discomfort and reduce pain signals. Many affected individuals find relief in the fetal position or elevating the legs, which reduces pressure in the abdominal area. A short, gentle walk or light movement can also help stimulate bowel activity, especially after a heavy meal or when feeling bloated.
Furthermore, herbal teas such as fennel, chamomile, or peppermint tea have a soothing effect on stomach and intestine. They help relieve bloating, relax muscle cramps, and reduce inflammation—supporting the digestive system in returning to balance.
Home Remedies for Abdominal Pain
For mild abdominal pain that isn’t due to a serious disease, gentle home remedies can provide effective support. They help soothe the gastrointestinal tract, promote digestion, and help naturally relieve complaints such as bloating, cramps, or feeling of fullness.
Herbal teas are the first go-to remedies. Chamomile tea has anti-inflammatory properties and helps soothe the lining of the digestive tract. Fennel and caraway tea are helpful with bloating as they reduce gas and relax intestinal muscles.Peppermint also relaxes muscles in the digestive tract and can therefore relieve cramping pain.
Heat plays a key role in relieving abdominal pain. A hot water bottle, cherry pit pillow, or warm bath can promote blood circulation in the abdominal area, loosen muscles, and thereby significantly reduce pain sensation.
A gentle diet is also helpful with a sensitive stomach. Easily digestible foods such as dry toast (zwieback), oatmeal porridge, or soft-cooked carrots are easy on the digestive tract and give the body time to recover, particularly after an upset stomach or diarrhea.
Ginger is also a known home remedy. It works anti-inflammatory, stimulates digestion, and can relieve nausea. It can be taken as tea or in small amounts on its own.
A traditional remedy for a sluggish stomach is apple cider vinegar (one teaspoon in a glass of warm water before meals) to gently stimulate stomach acid production. Important: If a stomach lining inflammation (gastritis), heartburn, or a stomach ulcer is suspected, vinegar or acidic juices must be strictly avoided, as this additionally attacks the already irritated mucosa.
For external use, caraway or anise oil can be gently massaged into the abdomen in a clockwise direction. Essential oils promote blood circulation, release tension, and can relieve bloating and feeling of fullness. It is used particularly for children or in combination with heat.
These home remedies are usually well tolerated and can bring noticeable relief with functional digestive issues. However, if pain persists longer, becomes stronger, or is accompanied by other symptoms such as fever, nausea, or blood in stool, a medical clarification should occur.
Nutritional Tips - What to Eat with Abdominal Pain?
A proper diet can make a crucial difference when it comes to abdominal pain. Through gentle nutrition, symptoms can be relieved, digestion can be eased, and the gastrointestinal tract can be soothed. What you eat matters, but also how you eat.
During acute phases, a light and easily digestible diet is especially helpful. This includes rice, potatoes, bananas, or grated apple – the latter contains pectin, which has a regulating effect on digestion with diarrhea. These foods are easy on the stomach lining and help avoid putting extra stress on digestion.
Herbal teas such as chamomile, fennel, anise, or peppermint can help relieve cramps, reduce bloating, and support digestion. They’re especially good to drink alongside other fluids during diarrhea or vomiting to help keep your body’s fluid and electrolyte balance steady.
With bloating or feeling of fullness, it’s best to avoid gas-producing foods like cabbage, legumes, or carbonated drinks. Very fatty or heavily spiced meals can also irritate your gastrointestinal tract. Just as important as what you eat is how you eat—eating slowly and chewing thoroughly can greatly ease the work of your digestive system.
Medications
If stomach pain is severe or doesn’t improve with home remedies, medication can be used to help relieve the symptoms. The choice of medicine depends largely on the cause of the pain, since not every medication is suitable for all types of stomach pain.
For cramp-like pain, such as those caused by irritable bowel syndrome, gallbladder, or kidney colic, antispasmodic medications are often used. A frequently used prescribed drug is Butylscopolamine, known by the brand name Buscopan. It relaxes the smooth muscles in the abdominal area and can significantly relieve acute cramps.
If pain is accompanied by heartburn, a feeling of fullness in the upper abdomen, or acid reflux, it may be caused by excessive stomach acid. In such cases, acid blockers such as pantoprazole or omeprazole can help reduce gastric acid production. They protect the stomach lining (gastric mucosa) and are often used to treat gastritis or reflux diseases.
For general pain that isn’t linked to a specific cause, paracetamol can be carefully used. It helps relieve pain and reduce fever without irritating the gastric mucosa. Other painkillers such as ibuprofen or aspirin, however, should only be used carefully with gastrointestinal issues, as they can irritate the stomach lining and worsen the existing problems.
Probiotics can be supportive in managing digestive issues after infections or bloating. These are supplements containing live, beneficial intestinal bacteria that can help restore the natural gut microbiome. This can be especially useful after taking antibiotics.
Constipation is also a common cause of abdominal pain. Depending on how severe it is, various remedies can help. Macrogol is an osmotic laxative that draws water into the bowel, softening the stool and making it easier to pass. A gentler, plant-based alternative is bulk-forming fiber such as psyllium husks. They swell in the intestine, increase stool volume, and support the natural bowel movement.
Intestinal Restoration
After infections, antibiotic treatments, or ongoing digestive problems, it can be useful to specifically support the intestine. A so-called gut restoration aims to restore the balance of intestinal flora (gut microbiome), regulate digestion, and strengthen the immune system.
Probiotics are an important part of supporting gut health. These are beneficial microorganisms such as lactic acid bacteria that support the intestine in recovery. They are available in supplements from the pharmacy or naturally in fermented foods such as yogurt, sauerkraut, kefir, or fermented vegetables. Equally important is a fiber-rich diet, because fiber serves as food for healthy gut bacteria. Good choices include whole grain products, flaxseed, as well as plenty of vegetables and fruits.
It’s also important to stay well-hydrated. Drinking at least 1.5 to 2 liters of water a day supports digestion and allows fiber to work effectively in the digestive system.
To maintain a healthy gut, sugar should also be largely reduced and avoid highly processed foods, ready-made meals, and artificial additives. These promote harmful bacteria in the intestine and can disturb natural balance of your microbiome.
A gut cleanse is essentially a gentle change towards a gut-friendly lifestyle that is tailored to individual needs, age-appropriate, and effective in the long term. For recurring issues, chronic gastrointestinal problems, or after antibiotic treatment, it can be useful to seek medical or nutritional advice.
When Should You See a Doctor?
Abdominal pain is often harmless and often disappears on its own after a short time. However, there are certain signs where medical advice should definitely be sought. Early diagnosis can help recognize serious causes in time and treat them specifically.
Warning Signs
There are certain signs where abdominal pain indicates a serious disease and should definitely be medically checked. If pain suddenly sets in very severely and rapidly worsens, this can be a sign of acute problems such as inflammation, intestinal obstruction, or another emergency situation.
The presence of blood in stool or vomiting blood are important warning signals. They indicate that there may be bleeding in the gastrointestinal tract, which requires immediate examination.
Persistent vomiting or severe nausea can prevent your body from absorbing enough fluids and nutrients. This can quickly lead to weakness and other complications, which is why seeking medical help is necessary.
When high fever occurs in addition to abdominal pain, this usually indicates an infection or inflammation in the abdominal area that must be specifically treated.
A hard or tense abdominal wall, also called “guarding”, is a sign that the body is trying to protect an internal inflammation or irritation. This symptom is often a sign of serious diseases such as peritonitis.
Finally, circulatory problems such as dizziness, paleness, or even fainting can be signs that your overall condition is seriously affected. This means your body is under significant stress and urgent medical care is needed.
In all of these cases, it is important to seek medical advice as quickly as possible to avoid complications and start the right treatment.
Chronic Complaints
Abdominal pain that keeps recurring or persists over a long time should not be ignored. When pain has lasted for days, weeks, or even months and does not improve on its own, this can indicate an underlying disease that requires thorough medical evaluation.
It’s also important to seek medical advice if, despite using home remedies or common medications, you don’t experience noticeable relief. This shows that the cause may be more complex and cannot be resolved through simple solutions.
In addition, accompanying symptoms such as unwanted weight loss, loss of appetite, persistent fatigue, or general weakness should be taken seriously. Such signs can indicate that the body is suffering from chronic disease that must be further checked.
Early diagnosis and treatment with chronic abdominal pain is crucial to recognize serious diseases early, prevent complications, and maintain the quality of life. Therefore, it is important to seek medical advice early with persistent or recurring symptoms.
Pregnancy and Children
Abdominal pain occurs relatively frequently during pregnancy, particularly in the 2nd and 3rd trimester, and can have various causes. Often they are harmless and caused by uterine growth or ligament stretching. However, if pain occurs along with bleeding or contractions, medical help should be sought immediately, as this can indicate complications such as premature birth or problems with the placenta.
In children, abdominal pain is a common symptom that can have many causes. Often they are related to growth spurts or digestive problems. However, strong or persistent abdominal pain should always be carefully observed and if necessary, medically checked. This is particularly important when pain is accompanied by fever, vomiting, or diarrhea, as these can be signs of infections or inflammatory diseases.
Dr. med. Karsten Ostermann M.A.
Recurring abdominal pain can have many different causes and should be assessed from a holistic perspective. A thorough diagnostic evaluation may help identify underlying factors early and support an individually tailored treatment approach.

Questions and Answers About Abdominal Pain?
In the following, we want to answer your most frequent questions about abdominal pain to give you an even better overview of this broad topic and its importance.
The treatment for abdominal pain always depends on the underlying cause. Immediate relief such as heat, light abdominal massages, or soothing teas can often provide quick relief. However, if the pain persists or is severe, it’s important to see a doctor for a targeted diagnosis and appropriate treatment.
Quick relief with abdominal pain is provided primarily by heat, for example through a hot water bottle, which relaxes the muscles and ease pain. Gentle abdominal massage and calm breathing can also reduce pain. Light activity, such as a walk, stimulates digestion and often works relievingly.
With diarrhea and abdominal pain, it is important to replace loss of fluid and electrolyte, by drinking plenty of water, herbal teas, or electrolyte-rich drinks. A gentle diet with easily digestible foods such as dry toast (zwieback) or rice can relieve the gastrointestinal tract. If symptoms persist longer or worsen, medical advice should be sought.
Yes, bloating can definitely cause abdominal pain. When gas builds up in the intestine, it creates pressure and stretches the intestinal walls, which can lead to cramping or stabbing pain. Usually these discomforts are harmless and can be relieved through changes in nutrition or simple home remedies.
Yes, abdominal pain can, in rare cases, be a sign of cancer diseases in the abdominal area, particularly when they persist over a longer period of time and are accompanied by other symptoms such as unexplained weight loss, loss of appetite, or blood in stool. Since these symptoms also occur with many other diseases, it’s important to seek medical evaluation to identify or rule out a serious underlying cause as early as possible.
Abdominal pain that occurs when coughing can result from strong tension in the abdominal muscles, for example with muscle strain or overexertion. In some cases, it may also be caused by underlying conditions like pleurisy (inflammation of the lining around the lungs) or issues in the abdominal area, such as an inguinal hernia.
Abdominal pain at night can have various causes, including digestive disorders such as heartburn or acid reflux that are intensified when lying down. Chronic diseases such as irritable bowel syndrome or inflammations can also become noticeable at night. If pain occurs regularly or is severe, a doctor should be consulted to clarify the cause and treat specifically.
Morning stomach pain can be caused by various factors, including an unhealthy dinner the evening before, stress, or increased stomach acid production overnight. Diseases such as irritable stomach or gastrointestinal infections can also become more noticeable in the morning. If pain persists or occurs regularly, seeking medical advice is recommended.
Abdominal pain after drinking alcohol often arises through irritation of the stomach lining (gastric mucosa), as alcohol increases gastric acid production and can damage the mucosa membrane. Additionally, alcohol can cause liver or pancreatic inflammation which can cause pain. If the pain recurs or is severe, medical examination should occur to exclude possible complications.
For abdominal pain, a light and easily digestible diet is recommended that is gentle on the gastrointestinal tract. This includes foods such as rice, potatoes, bananas, and grated apple that contain few irritants. Additionally, it is important to avoid gas-producing or heavily spiced foods as well as carbonated drinks to reduce further discomfort.
Teas made from chamomile, fennel, and peppermint are especially helpful with abdominal pain. Chamomile tea has anti-inflammatory properties and soothes mucous membranes, while fennel and peppermint tea work as antispasmodic and help reduce bloating. These herbal teas support digestion and can help relieve pain and discomfort.
Stomach pain can often be relieved through a combination of rest, light meals, and targeted measures. Heat can relax muscles, while mild teas such as chamomile or ginger have soothing effects on the stomach. If needed, acid-reducing medications can be used, particularly when pain is caused by increased stomach acid. If the symptoms persist or worsen, medical evaluation is important.
Further information
The information listed contains relevant topics and serves to improve understanding.