What are the causes of black tarry stools?
According to the National Institutes of Health (NIH), black tarry stools are often the result from a disease or injury of the digestive system. Also known as melena, the black tarry coloration is an indication of blood in the stool.MisconceptionsEven though one would think blood in the stool indicates a problem in the rectum or large intestine, the NIH says its presence indicates a problem anywhere in the digestive tract, including even the mouth.SignificanceThe color of the stool usually indicates which part of the digestive tract is affected. If stools are black and tarry, it usually means the problem is occurring in the upper section of the system.CausesCommon disorders that cause black tarry stool include ulcers in the stomach or upper intestinal bleeding caused by taking pain medication.IdentificationAccording to the NIH, black tarry stool gets it coloration and consistency because it has come into contact with digestive juices.ConsiderationsEating certain foods can make your stoo