WASHINGTON -- Federal health officials are investigating sometimes-deadly overdoses with common anti-diarrhea drugs, a bizarre manifestation of the nation's drug abuse problem. The primary ingredient ...

Carcinoid syndrome is a rare condition that occurs in patients with gastrointestinal tumors. These patients secrete an excessive amount of serotonin, which can lead to symptoms like frequent diarrhea, ...

SAN DIEGO (AP) -- Santarus Inc. said Tuesday that its experimental traveler's diarrhea treatment met its goal in a late-stage clinical trial, as it worked better than a placebo. The company said ...

If the first thing you think of when you get diarrhea is the Pepto Bismol song – "Nausea, heartburn, indigestion, upset stomach, diarrhea!" – there are two things you should know. 1. Jingles are a ...

LIMA, Peru -- It should have been a triumphant moment for Dr. Nelly Zavaleta when many of the diarrhea-stricken babies she treated with an experimental U.S. drug got better quicker than expected.