Pepto-Bismol - How long will your stool be dark for?

Several formulations of Pepto-Bismol can be used in children. The original strength of Pepto-Bismol liquid (“the pink stuff” or “Pepto”) can be given to children 12 years and older. Kids from 2 to 12 years can take Pepto Kids, a chewable, bubblegum-flavored tablet that contains the antacid calcium carbonate. Continue reading

To stop diarrhea quickly, take an over-the-counter medication like loperamide (Imodium) or bismuth subsalicylate (Pepto-Bismol), drink fluids with electrolytes to prevent dehydration, and follow a bland diet such as the BRAT diet. Avoid dairy, caffeine, alcohol, and high-fiber or spicy foods during recovery.

Bismuth found in the active ingredient in Pepto-Bismol interacts with sulfur found naturally in your mouth and digestive tract to create bismuth sulfide, a substance that may turn your tongue black. It’s a harmless side effect and usually clears up a few days after you stop treatment.