Written by medicover team and medically reviewed by dr vidyasagar korla. Melena refers to black, tarry stools caused by the digested blood in the gastrointestinal tract. It's often a sign of bleeding in Ò€¦

The black color and characteristic strong odor 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€¦

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