Noninfectious colitis

Hemorrhagic colitis

Topic Completed: 1 May 2013

Minor changes: 30 September 2020

Copyright: 2003-2021,, Inc.

PubMed Search: hemorrhagic colitis[title]

Hanni Gulwani, M.B.B.S.
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Cite this page: Gulwani H. Hemorrhagic colitis. website. Accessed October 28th, 2021.
Definition / general
  • Abdominal cramping, bloody diarrhea, low grade or no fever
  • Usually resolves spontaneously, but may be complicated by hemolytic uremic syndrome or thrombotic thrombocytopenic purpura
Clinical features
  • Endoscopy: right sided colonic edema, erosions, hemorrhage
Microscopic (histologic) description
  • Hemorrhage and edema in lamina propria; focal superficial mucosal necrosis with preservation of deeper portion of crypts; acute inflammation; may have inflammatory pseudomembranes
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