Probiotics are available in many different species and strengths. Some studies suggest probiotics may help with certain types of diarrhea, but others indicate they have little effect. Probiotics are ...

Pepto-Bismol treats both upset stomach and diarrhea, but Tums does not. Pepto-Bismol is not safe for pregnant or breastfeeding women, while Tums is safe. Tums is available in multiple strengths and ...