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A member asked:

Should i be concerned about taking pepto bismol (bismuth subsalicylate) and have loose black stool?

A doctor has provided 1 answer
Dr. Heidi Fowler answered

Specializes in Psychiatry

Pepto bismal ; other: Meds that contain bismuth can turn stool black. If you have black, tarry, malodorous stool it may be melena or GI bleeding (which would require prompt medical attention)..

Answered 4/6/2018

4.8k views

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