Bacteria is a leading cause of diarrhea and it can come from the food that you eat! Pepto Diarrhea gets to the source with its DUAL ACTION formula that COATS your stomach and KILLS BACTERIA THAT CAUSES DIARRHEA. Other diarrhea products only treat symptoms; they do nothing to help eliminate bacteria. Pepto Diarrhea provides fast diarrhea relief and these liquicap pills are equally as effective as Pepto Diarrhea Liquid. This convenient form allows you to take it on-the-go so you can travel worry-free! Take Pepto Diarrhea at the first sign of diarrhea so you can get relief! From the maker of the #1 Pharmacist Recommended Upset Stomach Brand - Pepto Bismol. * *based on Pharmacy Times 2018 Survey-upset stomach remedies category.