Black poop can be harmless, caused by certain foods or medications, or it can be a sign of melena, meaning there’s blood in your stool. Melena happens when bleeding occurs in the upper digestive tract ...

At this point in life, you likely have a good idea of what your average bowel movements look like. So if you happen to notice they’re darker than usual, it’s understandable to wonder, “Why is my poop ...

Possible causes of blood in stool include gastroenteritis, anal fissures, hemorrhoids, inflammatory bowel disease, and more. Treatment can depend on the underlying cause. Below, learn more about the ...