What are the common causes of blood in stool?
Passage of blood through the rectum indicates an underlying disease of the anorectum or large intestine. It can be due to any of the following: Anal fissure Anorectal cancer Rectal ulcer Colon ulcer Colon cancer Ischemic colitis IBD Intestinal TB Consult your doctor to identify the exact cause of blood in the stool.