Pepto-Bismol treats diarrhea, heartburn and upset stomach. Children and teenagers who have or are recovering from chicken pox or flu-like symptoms should not use Pepto-Bismol.

Pepto-Bismol Overview

Reviewed: November 25, 2014

Pepto-Bismol is an over the counter medication used to treat diarrhea, heartburn and upset stomach in adults and children 12 and older.. Pepto-Bismol belongs to a group of drugs called antidiarrheal agents. These work by decreasing the amount of fluid in the intestines, killing harmful bacteria and decreasing intestinal inflammation.

This medication comes in suspension, chewable tablets, and caplets and is taken every 1/2 hour to hour as needed. Adults should not exceed 8 doses and children 6 in 24 hours.

Common side effects of Pepto-Bismol include dark brown or black stools, constipation, and tongue discoloration.


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Bismuth Subsalicylate

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Pepto-Bismol Drug Class

Pepto-Bismol is part of the drug class: