Antidiarrheal Agents

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Brand Name Generic name IBS type Type Comments
Colestid® colestipol IBS-D Prescription Bile acid sequestrant which binds bile in the gastrointestinal tract to prevent its reabsorption. Commonly used to treat diarrhea resulting from bile acid malabsorption.
Imodium® loperamide IBS-D Over-the-counter Slows down the movement of fluid through the intestines.
Lomotil® diphenoxylate, atropine sulfate IBS-D Prescription Decreases the motion of muscles in the intestines and prolonging the time it takes to move the contents through the body. May be habit forming.
Motofen® difenoxin hydrochloride, atropine sulfate IBS-D Prescription Slows intestinal motility. May be habit forming.
Questran® cholestyramine IBS-D Prescription Bile acid sequestrant which binds bile in the gastrointestinal tract to prevent its reabsorption. Commonly used to treat diarrhea resulting from bile acid malabsorption.