Irritable Bowel Syndrome

Posted by e-Medical PPT Friday, November 19, 2010
Irritable bowel syndrome is a functional bowel disorder characterized by chronic abdominal pain, discomfort, bloating, and alteration of bowel habits in the absence of any detectable organic cause.In some cases, the symptoms are relieved by bowel movements.IBS can be classified as either diarrhea-predominant (IBS-D), constipation-predominant (IBS-C) or IBS with alternating stool pattern.In some individuals, IBS may have an acute onset and develop after an infectious illness characterized by two or more of the following: fever, vomiting, diarrhea, or positive stool culture. This post-infective syndrome has consequently been termed "post-infectious IBS".
Several conditions may present as IBS including celiac disease, fructose malabsorption,mild infections, parasitic infections like giardiasis,several inflammatory bowel diseases, functional chronic constipation, and chronic functional abdominal pain. In IBS, routine clinical tests yield no abnormalities, although the bowels may be more sensitive to certain stimuli, such as balloon insufflation testing. The exact cause of IBS is unknown. The most common theory is that IBS is a disorder of the interaction between the brain and the gastrointestinal tract, although there may also be abnormalities in the gut flora or the immune system.
Although there is no cure for IBS, there are treatments that attempt to relieve symptoms, including dietary adjustments, medication and psychological interventions. Patient education and a good doctor-patient relationship are also important.IBS does not lead to more serious conditions in most patients.However, it is a source of chronic pain, fatigue, and other symptoms, and it increases a patient's medical costs,and contributes to work absenteeism.

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