Diarrhea can often be stopped by using over-the-counter (OTC) medications such as loperamide (Imodium) or bismuth subsalicylate (Pepto-Bismol). Remember, though, that diarrhea caused by a virus or ...

Imodium (loperamide) is an over-the-counter (OTC) drug that’s used to treat diarrhea. The drug comes as an oral tablet, oral capsule, and oral liquid solution. Your dosage will vary depending on the ...