melena is the passage of black, tarry stools containing digested blood. Wheather or not it is curable depends on the cause of the problem and a doctor can determine this.
Melena is the medical term for tarry, bloody stools. That means you are passing a lot of blood from your stomach and need medical attention right a way. If not taken care of a person
In medicine, melena or melæna refers to the black, "tarry" feces that are associated with gastrointestinal hemorrhage. The black color is caused by oxidation of the iron in hemoglobin...