A member asked:

Why when i take pepto bismol (bismuth subsalicylate) my stool is black?

A doctor has provided 1 answer
Dr. Heidi Fowler answered

Specializes in Psychiatry

Bismuth: Pepto bismol (bismuth subsalicylate) contains bismuth which interacts with body to turn stool dark.

Answered 11/28/2017

5.4k views

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Is black watery stool a result of taking pepto bismol (bismuth subsalicylate)?

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