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Irritable Bowel Syndrome

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Drug

Placebo Pill vs. Antibiotic Rifaximin, Which is Better for Irritable Bowel Syndrome?

In a trial of 1,260 people with irritable bowel syndrome but no constipation, 40 percent given two weeks of rifaximin reported relief against 32 percent of the untreated, and the benefit lasted only 10 weeks. A separate trial found 59 percent improved on a sugar pill.

Drug

Placebos work, at least for irritable bowel syndrome

Harvard researchers gave 80 irritable bowel syndrome patients either no treatment or a placebo pill labelled as a placebo. After three weeks, 59 percent on the openly labelled dummy pill reported adequate symptom relief, against 35 percent given nothing. The authors call the study small.

Dec 24, 2010

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