Imuran®

INN: azathioprine

Used to treat:

Crohn’s Disease (moderate-severe)
Ulcerative Colitis (moderate-severe)

Type/Class

Immunomodulator

Delivery Route

Oral (tablet)
Intravenous Infusion

Health Canada Approval

Approved in 1966 for arthritis; used off-label for Crohn’s disease and ulcerative colitis.

Storage

Tablets: store between 15 and 30°C, protect from light.
Infusion: only a healthcare professional should prepare and administer this medicine.

Use in Older Adults (65+)

Safety and efficacy not established.

Pregnancy Indication

Can cause fetal harm; avoid when possible.

Breastfeeding Indication

Not recommended.

Pediatric Indication

Not authorized.

Learn More

View the Imuran® product monograph.