What can cause rectal bleeding?

Many possibilities. Hemorrhoid, anal fissure, anal fistula, draining peri-rectal abscess, colitis, colon polyps, bleeding stomach ulcers, bleeding colon diverticula, colon vascular malformation, colon or rectal cancer, and maybe others.
Lots of stuff. Hemerrhoids, cancer, trauma, diverticulosis, ulcers, meckels diverticulum, a-v malformation, infection and more. I once had a "vampire" who presented to the er with blood in his stools from drinking blood from the hospital blood bank.

Related Questions

What can cause rectal bleeding?

Numerous. From hemorrhoids, fissures, fistulae, inflammatory bowel disease, diverticulosis, to polyps, tumors benign or malignant. Also meckel's diverticulum, and upper GI sources such as ulcers and gastritis and tumors benign or malignant. No bleeding is normal. Get properly evaluated by a GI doctor or colorectal surgeon or at least by your primary care doctor. Do not ignore rectal bleeding. Read more...

What can cause rectal bleeding if the colonoscopies comes back normal?

Colonoscopy. Will look for tumors or polyps in the colon. Most common cause of bleeding may be from hemorrhoids or anal fissure that may not be seen well on colonoscopy. Less common causes of colon bleeding could be vascular malformation or diverticulosis which can bleed intwrmittently & would not be seen at colonoscooy unless there was active bleeding at the time of the procedure. Read more...
Hemorrhoids; AVMs. Vascular malformations can sometimes be difficult to see on colonoscopy. These can bleed spontaneously. Most commonly, internal and/or external hemorrhoids, can also be a source of bleeding. Treatment: drink plenty of fluids and a high fiber diet. Also lesions and diseases of the small intestine can be a source of rectal bleeding. Gastric ulcers are usually assoc. With dark black stools. Read more...

What can cause rectal bleeding (bright red blood)?

Too many things. to give a complete list but hemorrhoids, fissures, proctitis, colitis, colon polyps, colon cancer, diverticular disease are just a few. Remember it is NEVER normal to have rectal bleeding so do not ignore and go get an evaluation by your PCP, GYN, or a GI or Colon and rectal Surgeon ASAP. Read more...

Other then hemorrhoids what can cause rectal bleeding?

Rectal bleed. Blood from rectum can come from anal fissure, rectal or sigmoid polyp, colitis, diverticular bleed, cancer, infection (rare), trauma (rare) Read more...
Rectal bleeding. Rectal bleeding can occur as a result of many things besides hemorrhoids including a growth in your intestine. You need to get that checked out by your doctor. Read more...