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Colitis is swelling (inflammation) of the large intestine (colon).
Causes of colitis include:
Symptoms can include:
Exams and Tests
The health care provider will perform a physical exam. You will also be asked questions about your symptoms such as:
- How long have you had the symptoms?
- How severe is your pain?
- How often do you have pain and how long does it last?
- How often so you have diarrhea?
- Have you have been traveling?
The health care provider can diagnose colitis by inserting a flexible tube into the rectum (flexible
or ) and looking at certain areas of the colon. You may have biopsies taken during this exam. Biopsies may show changes related to inflammation.
Other studies that can identify colitis include:
Your treatment will depend on the cause of the disease.
The outlook will vary depending on the cause of the problem.
When to Contact a Medical Professional
Call your health care provider if you have symptoms such as:
Abdominal pain that does not get better
Blood in the stool or stools that look black
Diarrhea or vomiting that does not go away
Horn AE, Ufbert JW. Appendicitis, diverticulitis, and colitis. Emerg Med Clin N Am. 2011;29:347-368.
- Last reviewed on 10/13/2013
- George F. Longstreth, MD, Department of Gastroenterology, Kaiser Permanente Medical Care Program, San Diego, California. Also reviewed by David Zieve, MD, MHA, Bethanne Black, and the A.D.A.M. Editorial team.
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This page was last updated: May 20, 2014