A member asked:

Could pepto bismol (bismuth subsalicylate) cause black stool 2 days after drinking it?

A doctor has provided 1 answer
Dr. Eric Kaplan answered

Specializes in Colon and Rectal Surgery

Yes: But if you see black stool and have not taken pepto recently, this should be evaluated by a GI doctor.

Answered 3/24/2021

4.7k views

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