OTC

Antidiarrheal and stomach protectant

Bismuth Subsalicylate

Last reviewed April 2026

Who is this for?

What is this drug?

Bismuth subsalicylate is a stomach medicine that works by coating the lining of your stomach and intestines, reducing inflammation, and killing some bacteria that cause stomach upset and diarrhea.

What is it used for?

Diarrhea (running stomach)heartburnindigestionnausea (feeling like you want to vomit)stomach upsettraveler's diarrhea

Available Over The Counter

Available at pharmacies without a prescription. Rules may vary by country.

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