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Colitis

Definition

Colitis is swelling (inflammation) of the large intestine (colon).

Causes

Causes of colitis include:

Symptoms

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 do you have diarrhea?
  • Have you been traveling?

The provider can diagnose colitis by inserting a flexible tube into the rectum (flexible sigmoidoscopy or colonoscopy) and looking at certain areas of the colon. You may have biopsies taken during this exam. Biopsies may show changes related to inflammation. This can help determine the cause of colitis.

Other studies that can identify colitis include:

Treatment

Your treatment will depend on the cause of the disease.

Outlook (Prognosis)

The outlook will vary, depending on the cause of the problem.

Possible Complications

Complications may include:

When to Contact a Medical Professional

Call your 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
  • Swollen abdomen

References

Horn AE, Ufbert JW. Appendicitis, diverticulitis, and colitis. Emerg Med Clin N Am. 2011;29:347-368. PMID: 21515183 www.ncbi.nlm.nih.gov/pubmed/21515183.

Osterman MT, Lichtenstein GR. Ulcerative colitis. In: Feldman M, Friedman LS, Brandt LJ, eds. Sleisenger & Fordtran’s Gastrointestinal and Liver Disease. 10th ed. Philadelphia, PA: Elsevier Saunders; 2016:chap 116.

Wald A. Other diseases of the colon and rectum. In: Feldman M, Friedman LS, Brandt LJ, eds. Sleisenger & Fordtran’s Gastrointestinal and Liver Disease. 10th ed. Philadelphia, PA: Elsevier Saunders; 2016:chap 128.

Review Date:8/14/2015
Reviewed By:Subodh K. Lal, MD, gastroenterologist with Gastrointestinal Specialists of Georgia, Austell, GA. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.

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