Melena is a form of blood in stool which refers to the dark black, tarry feces that are commonly associated with upper gastrointestinal bleeding. The black color and characteristic strong odor Ò€¦ Written by medicover team and medically reviewed by dr vidyasagar korla.

It's often a sign of bleeding in Ò€¦ Melaena is a symptom of gastrointestinal bleeding that occurs when blood passes through the digestive system and is altered by enzymes and stomach acid. This results in dark, black stools with blood that Ò€¦