Colon (tumor & nontumor)
Noninfectious colitis
Hemorrhagic colitis

Topic Completed: 1 May 2013

Revised: 8 January 2019, last major update May 2013

Copyright: (c) 2003-2016,, Inc.

PubMed Search: hemorrhagic colitis[title]

Hanni Gulwani, M.B.B.S.
Page views in 2019: 655
Page views in 2020 to date: 458
Cite this page: Gulwani H. Hemorrhagic colitis. website. Accessed August 15th, 2020.
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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