A member asked:

Could a stomach flu cause you to have black stool?

A doctor has provided 1 answer
Dr. Joel Gallant answered

Specializes in Infectious Disease

No: The most common causes of black stool are peptobismol (or similar medications), iron supplements, and gastrointestinal bleeding. If you haven't been taking peptobismol or iron and your stool is black (often tarry), you should see a doctor right away.

Answered 12/31/2022

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