Possibly: Blood from the stomach and upper intestinal tract does produce black stool. Other causes of black stool include taking iron supplements and taking peptobismol. It's a simple test done in your physician's office to test a stool sample to see whether the black substance is from gi bleeding.
Answered 8/21/2016
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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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