Main Causes of Rectal bleeding include:

Causes of rectal bleeding include:
  1. Hemorrhoids
  2. Anal Fissures
  3. Anal Cancer
  4. Colon Cancer
  5. Colon Polyps
  6. Ulcerative Colitis/Crohn’s Disease
  7. Solitary Rectal Ulcer (ulcer in the rectum)
  8. Diverticulosis (bulging pouch that forms on wall of large intestine)
  9. Proctitis (inflammation of the rectum)
  10. Ischemic colitis  (colon inflammation caused by reduced blood flow)
  11. Infectious Colitis (inflammation of the colon caused by infection)
  12. Sjögren’s syndrome: see below
The below is a reminder to always check for  Sjögren’s syndrome in anyone who has dry eyes, dry mouth, and arthritis, especially if there is a history of new rectal bleeding. Though it is rare, it is important to check for Sjögren’s syndrome.

. 2009; 3: 85.
Published online 2009 Oct 30. doi:  10.1186/1752-1947-3-85
PMCID: PMC2783084

Rectal mucosal prolapse syndrome as an unusual gastrointestinal manifestation of Sjögren’s syndrome: a case report

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