Drug Class: DMARDs
Brand Names: Azasan, Imuran


50 to 150 mg daily in one to three doses.

Potential Side Effects

Chills; fatigue; fever; loss of appetite; liver problems; low blood counts; nausea; vomiting; weakness.

Special Instructions

Take with food.

Be Aware

Azathioprine is linked to certain cancers, including lymphoma. This drug can cause a dangerous interaction with allopurinol, a drug used for gout.

Your doctor should order periodic blood and urine tests to check for unwanted effects. Before taking any DMARD, tell your doctor if you are planning to become pregnant.

                                                                         LAST UPDATED: 07/07/2015

The Arthritis Today Drug Guide is meant for education – not self-medicating. Arthritis Today, the Arthritis Foundation and the Drug Guide Medical Review Panel do not endorse any products mentioned in this guide. While we endeavor to keep the information up to date, we make no representations or warranties about the completeness of the information provided.