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In the journals: experts revise guidelines for irritable bowel syndrome.

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In the journals

Experts revise guidelines for irritable bowel syndrome

Irritable bowel syndrome (IBS) is a chronic disorder characterized by recurrent bouts of constipation, diarrhea, or both, as well as abdominal pain, bloating, and gas. Twice as common in women as in men, it's the most common diagnosis made by gastroenterologists and second only to the common cold as a cause for absence from work. IBS is a functional disorder, which means that it's not attributable, as far as we know, to any underlying disease process or structural abnormality. It's thought to involve various, often interacting, factors * infection, faulty brain-gut communication, heightened pain sensitivity, hormones, allergies, and emotional stress.

The good news is that IBS doesn't increase the risk for more serious conditions, such as ulcerative colitis or colon cancer (see chart). On the other hand, a disorder resulting in (at best) annoying and (at worst) debilitating and worrisome symptoms with no known cause can be difficult to diagnose and treat, not to...

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