Colitis is swelling (inflammation) of the large intestine (colon).
Causes, incidence, and risk factors
Colitis can have many different causes, including:
Acuteand chronicinfections, including food poisoning
- Inflammatory disorders (ulcerative colitis, Crohn's colitis, lymphocytic and collagenous colitis)
Irritable bowel syndrome
- Lack of blood flow (ischemic colitis)
- Past radiation to the large bowel
For more information about a specific type of colitis see:
CMV colitis(a viral infection of the colon)
Crohn's disease(regional enteritis) Cryptosporidium enterocolitis Ischemic colitis Necrotizing enterocolitis Pseudomembranous colitis Ulcerative colitis
Review Date: 10/13/2009
Reviewed By: George F Longstreth, MD, Department of Gastroenterology, Kaiser Permanente Medical Care Program San Diego, California. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.