Why Is My Poop Black? 4 Possible Causes

Why Is My Poop Black? 4 Possible Causes

If your stool appears black, you may be confused — and worried. But while black stool may be unusual, it’s not necessarily a cause for concern. "Oftentimes, black stools are caused by medications or food and, as such, are harmless," says Paul Johnson, MD , a board-certified colorectal surgeon and surgical oncologist at Methodist Le Bonheur Healthcare in Memphis, Tennessee. Still, black stool can sometimes signal a more serious issue. Here are th…