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Crohn's disease

What is Crohn's disease?

Crohn's disease is a inflammatory bowel disease (IBD), and characterized by a large number of scattered granulomas, which are grains or granules in response to chronic infection, inflammation.

The Crohn's disease mainly affects people at the age from 15~30 years old, but any age groups may suffers from this disease. Once you are diagnosed with this disease, even if they are treated, there is also a tendency to relapse.

What causes Crohn's disease?

Crohn's disease symptoms

Abdominal pain:


Abdominal mass

Fistula formation


Blood in stool

If the Crohn's disease is complicated with intestinal perforation, it will lead to intestinal bleeding and subsequent blood in stool.

If the Crohn's disease involves low segment of colon, rectum and anus, it will promote the formation of anal fissure, anal fistula, which are common causes of rectal bleeding, anal bleeding and blood in stool.

Last update: 2012-08-01