This is Serious: Black 'coffee ground' BM which also has characteristics of being long (which could be sticky/tarry) is concerning for bleeding in the gastrointestinal tract, especially in someone on 2 anti-platelet medications which 'thins' the blood. The medical term for black stool from blood is called melena. There are also other causes for black stools, but the worrisome cause needs to be evaluated.
Answered 3/24/2015
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A doctor has provided 1 answer
2 doctors weighed in across 2 answers
A doctor has provided 1 answer
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