Pepto Bismol (bismuth subsalicylate) does: Cause black stools (& sometimes, even a black tongue). 'food poisoning' should end in about 24-72 hrs. If your stools remain black in a week, or if your symptoms persist, you should see your doctor.
Answered 4/24/2015
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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