When this happens, you may vomit blood or have black, tarry stool. Gastrointestinal bleeding is considered a sign of end-stage liver disease, along with bleeding from the nose and gums.

Discover painful symptoms and underlying causes of peptic ulcers, from bacterial infections to common medications that might ...

Rory Kennedy It all began in 2022, when Kennedy experienced a week of black, tarry stools — which can be caused by anything ranging from gastrointestinal bleeding to eating too many blueberries.