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Irritable Bowel Syndrome (IBS) Symptoms & Causes of Irritable Bowel Syndrome What are the symptoms of IBS? The most common symptoms of irritable bowel syndrome (IBS) are pain in your abdomen, often related to your bowel movements, and changes in your bowel movements. These changes may be diarrhea, constipation, or both, depending on what you have. Other symptoms of IBS may include Women with IBS often have more symptoms during their periods. IBS can be painful but doesn’t lead to other health problems or damage your digestive tract. To diagnose IBS, you doctor will look for a over time. IBS is a chronic disorder, meaning it lasts a long time, often years. However, the symptoms may come and go. What causes IBS?Doctors aren’t sure what causes IBS. Experts think that a combination of problems may lead to IBS. Different factors may cause IBS in different people. Functional gastrointestinal (GI) disorders such as IBS are problems with brain-gut interaction—how your brain and gut work together. Experts think that problems with brain-gut interaction may affect how your body works and cause IBS symptoms. For example, in some people with IBS, food may move too slowly or too quickly through the digestive tract, causing changes in bowel movements. Some people with IBS may feel pain when a normal amount of gas or stool is in the gut. Certain problems are more common in people with IBS. Experts think these problems may play a role in causing IBS. These problems include Research suggests that genes may make some people more likely to develop IBS. Last Reviewed November 2017 Share this page Print More Options Copy Link
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