A member asked:

What causes dark stools--diet?

A doctor has provided 1 answer

Dark Stools: The color of the stool has more to do with the bacteria in the colon. Leaking blood in the gastrointestinal system may make the stools very dark and tar like. Using pepto-bismol can also give very dark stools. Sometimes dark stools are normal depending on your diet.

Answered 4/18/2018

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