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Bloody Stool


Healthgrades Editorial Staff

What is bloody stool?

Blood in the stool is an abnormal, potentially critical condition in which there is blood mixed in with a bowel movement or feces. The blood can arise from anywhere along the digestive tract, from the mouth to the anus. Bloody stool is often a sign of gastrointestinal bleeding due to injury or disease. Stools that contain bright red or maroon-colored blood may be referred to as