Hematemesis is the medical term used to describe vomiting blood. The blood can be bright red, dark red, black, or dark brown, or resemble coffee grounds. It is caused by internal gastrointestinal ...

When this happens, you may vomit blood or have black, tarry stool ... wait and see if the stool color returns to normal after ...

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