Crohn's disease
Other namesCrohn syndrome, regional enteritis, Leśniowski-Crohn's disease
SpecialtyGastroenterology
SymptomsAbdominal pain, diarrhea (may be bloody), fever, weight loss
ComplicationsAnemia, skin rashes, arthritis, bowel cancer
Usual onset20 to 30
DurationLong term
Risk factorsTobacco smoking
Diagnostic methodBiopsy, medical imaging
Differential diagnosisIrritable bowel syndrome, celiac disease, Behçet's disease, nonsteroidal anti-inflammatory drug enteropathy, intestinal tuberculosis
MedicationCorticosteroids, methotrexate
PrognosisSlightly reduced life expectancy
Frequency3.2 per 1,000 (developed world)