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A member asked:
How can i find out what caused my black stools?
A doctor has provided 1 answer
See your doc: Black stools can be from gastrointestinal bleeding (usually upper GI source), iron pills, peptobismol, charcoal capsules, arsenic. Dark stools can also come from blueberries, etc. See your doc. See if stool tests + for blood. If so get evaluated-generally upper endoscopy, maybe colonoscopy (black stool can be from right side of colon), or capsule endoscopy to check small bowel.
Answered 7/26/2018
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