Blood in the Stool (Rectal Bleeding) (cont.)

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Diverticulitis, IBD, AVM, ischemic colitis, cancer, intussusception

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Blood may arise from various diseases of the colon (large intestine) including diverticulosis and diverticulitis, inflammatory bowel disease (IBD), and arteriovenous malformations (AVM). Colon polyps, cancers, and other growths can also cause blood in the stool. When the blood supply to the colon is decreased or cut off, the colon can become inflamed and bleed. This can be caused by ischemic colitis (blood flow to the colon is decreased), intussusception (one section of the colon telescopes into another and volvulus, when the colon twists upon itself). Diverticular bleeds tend to be painless but there can be significant blood loss. Pain is the hallmark of blood loss in the colon.

Bacterial or viral infections

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Infections of the colon associated with bloody diarrhea include Shigella, Campylobacter and Clostridium difficile.

Ulcers or gastritis

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Bleeding may originate in the stomach and small intestine. Peptic ulcer disease and acute gastritis (gastro=stomach + itis=inflammation) are common causes.

Medically Reviewed by a Doctor on 11/13/2013

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Blood in the Stool - Experience Question: Please describe your experience with blood in the stool.
Blood in the Stool - Cause Question: What was the cause of blood in your stool?
Blood in the Stool - Diagnosis Question: What was the diagnosis of blood in the stool?
Blood in the Stool - Treatment Question: Depending on the cause, what was the treatment for blood in the stool?
Blood in the Stool - Hemorrhoids Question: Please describe your experience with hemorrhoids and blood in your stool.
Blood in the Stool - Anal Fissures Question: Please describe your experience with anal fissures and rectal bleeding.
Blood in the Stool - Other Causes Question: Which one of these were the cause of your case of rectal bleeding, and please describe your experience.
Blood in the Stool - Infection Question: What infection caused your case of rectal bleeding, and how was it treated?
Blood in the Stool - Ulcers or Gastritis Question: Was it ulcers or gastritis that caused your case of rectal bleeding, and how was it treated?
Blood in the Stool - Esophageal Bleeding Question: Please describe your experience with rectal bleeding and esophageal bleeding.
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