? blood.: Upper GI bleeding (eg, from the stomach) typically causes black bowel movement, often loose stool. It is easy to confirm blood by having ones doctor test the stool for blood. It's important to test ASAP.
Answered 8/28/2016
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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
A doctor has provided 1 answer
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