Assessment of lower gastrointestinal bleeding

Last reviewed: 6 Sep 2022
Last updated: 14 Jun 2022

Summary

Differentials

Common

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

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
Full details

Contributors

Authors

Praveen Roy, MD

Clinical Assistant, Professor of Medicine

University of New Mexico

NM

Disclosures

PR declares that he has no competing interests.

Peer reviewers

Ian Jenkins, MB BS

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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