Why Is My Diarrhea Almost Black?
Why Is My Diarrhea Almost Black? Black, tarry diarrhea is often caused by bleeding in the esophagus, stomach or small intestine. Another common cause for black, tarry stool could be a bleeding ulcer in the stomach, or inflammation of your stomach lining (AKA, gastritis). What does dark brown almost black diarrhea mean? Black tarry stools