The "pink stuff" treats upset stomach and diarrhea in adults, but the original Pepto-Bismol formula isn’t recommended for kids. Here’s what parents need to know. Medically reviewed by Natalie D.

Pepto-Bismol and Tums are two popular over-the-counter (OTC) medications taken to manage heartburn, abdominal pain, bloating, and diarrhea. Pepto-Bismol (bismuth subsalicylate) and Tums (calcium ...