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- Crohn's disease usually has a chronic, slow course regardless of the site of involvement.
- Medical therapy becomes less effective with time. Nearly two thirds of people with Crohn's disease require surgery for complications at some point in their disease.
- The longer a person has Crohn's disease, the more likely they are to develop complications that can be fatal. Cancer of the digestive tract is the leading cause of death for people with Crohn's disease.
- Crohn's disease frequently recurs after surgery.
- Intestinal obstruction
- Hemorrhage (bleeding) - Unusual in Crohn's disease
- Malabsorption - Results in diarrhea and nutritional deficiencies
- Acute regional enteritis
- Carcinoma - Colonic disease increases risk of colon cancer
For more information, read our full medical article about Crohn's disease.