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Treatment of Irritable Bowel SyndromeIrritable bowel syndrome* (IBS) is a “syndrome,” meaning a group of symptoms. The most common symptoms of IBS are abdominal pain or discomfort often reported as cramping, bloating, gas, diarrhea, and/or constipation. IBS affects the colon, or large bowel, which is the part of the digestive tract that stores stool.In gastroenterology, irritable bowel syndrome (IBS) is a functional bowel disorder characterized by abdominal pain, discomfort or bloating relieved by defecation and alteration of bowel habits. Diarrhea or constipation may predominate, or they may alternate (classified as IBS-D, IBS-C or IBS-A, respectively). IBS may begin after an infection (post-infectious, IBS-PI) or a stressful life event. Other functional or pain disorders and certain psychological conditions are more common in those with IBS.Causes of Irritable Bowel SyndromeNo one knows exactly what causes irritable bowel syndrome. The walls of the intestines are lined with layers of muscle that contract and relax as they move food from your stomach through your intestinal tract to your rectum. Normally, these muscles contract and relax in a coordinated rhythm. But if you have irritable bowel syndrome, the contractions may be stronger and last longer than normal.The cause of irritable bowel syndrome is currently unknown. IBS is thought to result from an interplay of abnormal gastrointestinal (GI) tract movements, increased awareness of normal bodily functions, and a change in the nervous system communication between the brain and the GI tract.What are the symptomsThe symptoms may get worse when you're under stress, such as when you travel, attend social events or change your daily routine. Your symptoms may also get worse if you don't eat enough healthy foods or after you've eaten a big meal. Some people are bothered by certain foods. Women who have IBS may notice more frequent symptoms during their menstrual periods.Like many people, you may have only mild signs and symptoms of irritable bowel syndrome. Sometimes these problems can be disabling, however. In some cases, you may have severe signs and symptoms that don't respond well to medical treatment. Because symptoms of irritable bowel syndrome can be present with other diseases, it's best to discuss these symptoms with your doctor.pain or discomfort that is accompanied by changes in the way a person's stool (poop) normally looks. Some people become constipated and their stools become hard (and difficult to pass); other people develop diarrhea. Read also buying nolvadex online