The common causes of rectal bleeding from the colon include. anal fissure, hemorrhoids, diverticulosis, colon cancer and polyps, colonic polyp removal, angiodysplasias, colitis, proctitis, and; Meckel's diverticula. Rectal bleeding also may be seen with bleeding that is coming from higher in the instestinal tract, from the stomach, duodenum, or small . Read about causes of rectal bleeding from Cleveland Clinic, including information on hemorrhoids, polyps & more. Read about causes of rectal bleeding include hemorrhoids, anal fissures, polyps, tumors, trauma, and inflammation of the bowel.
It is reserved for patients who have severe and continuous bleeding and in whom colonoscopy cannot locate the site of the bleeding. The liquid contents of the stomach then are aspirated and examined for visible blood. A majority of cases occur within the first year of life. Colon cancer and polyps. Moderate or severe rectal bleeding usually is evaluated and treated in the hospital.