Symptoms depend on what part of the gastrointestinal tract is affected. Symptoms range from mild to severe, and can come and go with periods of flare-ups.
The main symptoms of Crohn's disease are:
Other symptoms may include:
A physical examination may reveal an abdominal mass or tenderness, skin rash, swollen joints or mouth ulcers. The doctor may use a stethoscope to listen to the belly area. Abdominal sounds (borborygmus, a gurgling or splashing sound heard over the intestine) may be heard.
Tests to diagnose Crohn's disease include:
A stool culture may be done to rule out other possible causes of the symptoms.
This disease may also alter the results of the following tests:
US Food and Drug Administration. FDA Approves New Treatment For Crohn's Disease. Rockville, MD: National Press Office; February 27, 2007: Report P07-30.
Sandborn WJ, Hanauer SB, Rutgeerts PJ, et al. Adalimumab for Maintenance Treatment of Crohn's Disease: Results of the CLASSIC II Trial. Gut. 2007 Feb 13 [Epub ahead of print].
Hawk ET, Levin B. Colorectal cancer prevention. J Clin Oncol. 2005;23:378-388.