Last reviewed: November 2017
Last updated: November  2017

Summary

Differentials

Common

  • Diverticular disease
  • Colonic angiodysplasia
  • Ischaemic colitis
  • Crohn's disease
  • Ulcerative colitis
  • Infectious colitis
  • Colorectal cancer
  • Internal haemorrhoids
  • Anal fissure
  • Colonic polyps

Uncommon

  • Meckel's diverticulum
  • Radiation-induced telangiectasia
  • Dieulafoy's lesion
  • Aorto-enteric fistula
  • Vasculitis
  • Hereditary haemorrhagic telangiectasia
  • Blue rubber bleb nevus syndrome
  • Anal cancer
  • Rectal ulcer
  • Rectal varices
  • Post-polypectomy bleeding
  • Non-steroidal anti-inflammatory drug (NSAID) colopathy
  • Upper GI bleeding (rapid transport)
  • Prostate biopsy site bleeding
  • Endometriosis

Contributors

Authors VIEW ALL

Gastroenterology

Marshfield Clinic

Marshfield

WI

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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