Is it possible to have diarrhea with melena?

Yes, it is possible to have diarrhea with melena. Melena is the medical term for black, tarry stools. It is caused by the presence of blood in the digestive tract that has been broken down by stomach acids. Diarrhea is a condition characterized by loose, watery stools. It can be caused by a variety of factors, including infection, food poisoning, or irritable bowel syndrome. In some cases, diarrhea can be a sign of a more serious underlying condition, such as Crohn's disease or ulcerative colitis.

When diarrhea occurs with melena, it is important to see a doctor to determine the cause. The doctor may order a variety of tests, including blood tests, stool tests, and imaging studies. Treatment for diarrhea with melena will depend on the underlying cause.