Over-the-counterLower-cost generic available

Pepto Bismol

(Bismuth Subsalicylate)

  • Chewable tablet
  • Liquid
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Relieves heartburn, upset tummy and diarrhea.

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Over-the-counterLower-cost generic available

Our bottom line

Pepto Bismol (Bismuth Subsalicylate) does it all, from upset stomach to crampy diarrhea.


  • Most people who take Pepto Bismol feel there's no hassle and it's definitely worth it!
  • It's can also be used as part of treatment plan for H. Pylori., a stomach infection. H. Pylori is thought to be one of the reasons some people get ulcers.
  • It comes in caplets, liquid, and chewable tablets so you can use it anywhere you need it.
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  • You might be surprised that Pepto Bismol can cause temporary darkening of your tongue, but it's harmless.
  • Doesn't treat every intestinal infection so make sure you let your doctor know if your diarrhea and symptoms last more than 2 days or your symptoms get worse. You may need a stronger medicine.
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What to expect when you take Pepto Bismol (Bismuth Subsalicylate)

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Tips from our pharmacists
  • Chew or dissolve chewable tablets in mouth.
  • Shake Pepto Bismol liquid well before using. Use dosing cup that comes with bottle to get the best dose.
  • You can take a dose every 1/2 to 1 hour but don't take more than 8 doses in 24 hours.
  • Chewable tablets and liquid are not for children under 12 years.
  • Use until diarrhea stops but not more than 2 days. Let your doctor know if your symptoms don't go away after 2 days.
  • Don't take Pepto Bismol if you have an allergy to aspirin or nonsteroidal anti-inflammatory drugs (NSAIDs).
  • Don't give Pepto Bismol to children or teenagers who have or are getting better from chickenpox, the flu or other viral sickness because of the risk of getting Reye's Syndrome. Reye's syndrome causes brain and liver damage.
  • Can temporarily make your tongue and stools darker.
  • Stop taking Pepto Bismol and tell your doctor if you notice ringing in your ears, unusual bleeding, or nausea and vomiting.
  • Not a good choice if you have stomach bleeding, bleeding problems, diabetes, gout or are taking medicines to thin your blood.
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Side effects for Pepto Bismol (Bismuth Subsalicylate)

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These are side effects of Pepto Bismol (Bismuth Subsalicylate) reported to the FDA by people taking it, and by doctors and pharmacists.

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Risks and Warnings for Pepto Bismol (Bismuth Subsalicylate)

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    • Higher risk if:
    • Children or teenagers that have or are recovering from flu/flu-like symptoms or chickenpox

    Pepto Bismol (Bismuth Subsalicylate) breaks down into salicylic acid or aspirin in the body after you swallow it. don't give Pepto Bismol (Bismuth Subsalicylate) to children or teenagers who are sick with or getting better from chickenpox, the flu or other viral sickness because of the risk of getting Reye’s Syndrome. Reye’s is a serious condition that causes damage to the liver and brain.

Means that some groups have a high risk of experiencing this side effect

Tips from pharmacists and people taking Pepto Bismol (Bismuth Subsalicylate)

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The FDA category for this medication is N. It is advised that you: Unknown