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.


Patient Ratings for

How was your experience with ?

First, a little about yourself

Tell us about yourself in a few words?

What tips would you provide a friend before taking ?

What are you taking for?

Choose one
  • Other

How long have you been taking it?

Choose one
  • Less than a week
  • A couple weeks
  • A month or so
  • A few months
  • A year or so
  • Two years or more

How well did work for you?

Did you experience many side effects while taking this drug?

How likely would you be to recommend to a friend?


Bismuth Subsalicylate

For more information on this medication choose from the list of selections below.

Pepto-Bismol Drug Class

Pepto-Bismol is part of the drug class: