Last reviewed: September 2018
Last updated: June  2018

Summary

Differentials

Common

  • Diverticular disease
  • Colonic angiodysplasia
  • Ischemic colitis
  • Crohn disease
  • Ulcerative colitis
  • Infectious colitis
  • Colorectal cancer
  • Internal hemorrhoids
  • Anal fissure
  • Colonic polyps

Uncommon

  • Meckel diverticulum
  • Radiation-induced telangiectasia
  • Dieulafoy lesion
  • Aortoenteric fistula
  • Vasculitis
  • Hereditary hemorrhagic telangiectasia
  • Blue rubber bleb nevus syndrome
  • Anal cancer
  • Rectal ulcer
  • Rectal varices
  • Postpolypectomy bleeding
  • Nonsteroidal anti-inflammatory drug (NSAID) colopathy
  • Upper GI bleeding (rapid transport)
  • Prostate biopsy site bleeding
  • Endometriosis

Contributors

Authors VIEW ALL

Chief of Gastroenterology

Presbyterian Hospital

Clinical Assistant, Professor of Medicine

University of New Mexico

NM

Disclosures

PR declares that he has no competing interests.

Peer reviewers VIEW ALL

Specialist Registrar

Division of Surgery

North Glasgow University Hospitals NHS Trust

Glasgow

UK

Disclosures

IJ declares that he has no competing interests.

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