Pepto Bismol Turning Your Tongue & Poop Black? | Pepto Bismol

Have you ever taken Pepto Bismol and then noticed your tongue or poop were darker, almost black? It’s happened to a lot of us but don’t worry. The discoloration is harmless and will go away within a few days after you stop taking Pepto Bismol.

What causes the discoloration? It’s the medicine reacting with the sulfur that is naturally present in your mouth and digestive tract. Depending on how much sulfur is present at any given time determines if and to what extent you’ll see the discoloration.

Read more about why Pepto Bismol may turn your tongue and poop black: https://pepto-bismol.com/en-us/articl...


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