Medically reviewed by Kumkum S. Patel, MD The color of your poop (stool) can provide clues about diseases or conditions ...

Discover the top causes of black poop like diet, supplements, and gut health conditions, plus the best treatment options according to gastroenterologists.

Melena is when blood causes stools to appear black, tarry, and foul-smelling. The blood is dark because it is coming from ...