Evaluation of lower gastrointestinal bleeding

Last reviewed: 26 Aug 2022
Last updated: 14 Jun 2022

Summary

Differentials

Common

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

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
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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