The table below provides a comparison of these medications: Pepto-Bismol contains the ingredient bismuth subsalicylate. It is an antidiarrheal medication taken to manage nausea, upset stomach ...

Discover the top causes of black poop like diet, supplements, and gut health conditions, plus the best treatment options ...

Certain medications, including iron tablets and the indigestion medication bismuth subsalicylate (Pepto-Bismol) may also turn stool black. If someone has recently consumed any of these and their ...