What is Crohn disease?

Updated: Jul 26, 2019
  • Author: Leyla J Ghazi, MD; Chief Editor: Praveen K Roy, MD, AGAF  more...
  • Print
Answer

Crohn disease is an idiopathic, chronic inflammatory process that can affect any part of the gastrointestinal tract from the mouth to the anus (see the image below). Individuals with this condition often experience periods of symptomatic relapse and remission.

Colonoscopic image of a large ulcer and inflammati Colonoscopic image of a large ulcer and inflammation of the descending colon in a 12-year-old boy with Crohn disease.

Did this answer your question?
Additional feedback? (Optional)
Thank you for your feedback!