Common causes of bleeding from the anus include constipation, anal fissures, and hemorrhoids. Have someone drive you to an emergency room if rectal bleeding is continuous or heavy accompanied by severe abdominal pain or cramping schedule a doctors visit. Make an appointment to see your doctor if you have rectal bleeding that lasts more than a day or two, or earlier if the bleeding worries you. A small tear in your anus (anal fissure) bleeding with or without lumps, itching or pain sexually transmitted infections (stis) like genital warts, damage from anal sex bright red blood without pain side effect of blood-thinning medicine like warfarin or aspirin, broken blood vessels in the gut (angiodysplasia). The bleeding may result in bright red blood in the stool as well as maroon colored or black stool. The bleeding also may be occult (not visible with the human eye). The common causes of rectal bleeding from the colon include anal fissure, hemorrhoids, diverticulosis, colon cancer and polyps, colonic polyp removal, angiodysplasias. Help? So yep, this is embarassing- hence why i havent been to a doctor. Whenever i do a number 2 and i wipe, there is blood on the toilet paper. While bleeding from the rectum or anus can be surprising and uncomfortable, it usually indicates a minor issue, like an anal fissure (tear) or hemorrhoids. if the protrusion is on the anal verge or the area surrounding the anus, then its likely an external hemorrhoid. Reducing pressure from issues of diarrhea and constipation will help. Not straining during a bowel movement, not lifting heavy objects, not sitting for extended periods, all will help.