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.