A member asked:

Any reason for tarry stools aside from bleeding?

A doctor has provided 1 answer
Dr. Arthur Heller answered

Specializes in Gastroenterology

Blood til proven not: Black (not dark, but black) stools can be seen with bleeding, iron supplements, bismuth (pepto), charcoal pills, arsenic (not used as medicine anymore-used to treat syphilis). Foods like blueberries can be confusing, as can excess intake of oreos (anecdotal experience).

Answered 3/26/2013

5.9k views

Thank

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