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Crohn's Disease - Cause

The cause of Crohn's disease is unknown. This disease may result from an abnormal response by the body's immune system to normal intestinal bacteria.1 Disease-causing bacteria and viruses also may play a role.

Crohn's disease can run in families, so some people may be more likely than others to develop the condition when exposed to something that triggers an immune reaction. Environmental factors may also play a role in causing this disease.

Recommended Related to Crohn's Disease

My WebMD: A College Student Controls Her Crohn's

My life with Crohn's has not been easy. I remember lying in my hospital bed watching a commercial for iced tea. Everyone was running around in the sunshine listening to happy, uplifting music. Never before had I been so jealous of people doing something so simple. I was 16 and it was 2006, five years after I was diagnosed with Crohn's disease. I had an intestinal blockage and was hospitalized for five days while hooked up to a nasogastric (NG) tube that sucked out bile that was blocking my small...

Read the My WebMD: A College Student Controls Her Crohn's article > >

WebMD Medical Reference from Healthwise

Last Updated: October 08, 2010
This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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