Azathioprine
Brand names: Imuran, Azasan|Last verified: 2026-03-01
FAA Pathway: Special Issuance — depends on underlying condition
Azathioprine may be conditionally approved depending on the underlying autoimmune condition. As an immunosuppressant, infection risk and the underlying disease activity must be well-documented for certification.
Related Resources
Pilot Tip
Always report all medications on your FAA medical application (Form 8500-8, Item 17a), even OTC medications. Failure to disclose is a far bigger issue than the medication itself.
Certification Details
Sources
- FAA AME Guide, Rheumatology / Transplant
Last verified: 2026-03-01
Frequently Asked Questions
Is Azathioprine allowed for pilots?
The FAA considers Azathioprine (Imuran, Azasan) to be "Conditionally Approved" for medical certification purposes. Azathioprine may be conditionally approved depending on the underlying autoimmune condition. As an immunosuppressant, infection risk and the underlying disease activity must be well-documented for certification.
What is the FAA status of Azathioprine?
Azathioprine has a status of "Conditionally Approved" under FAA medical certification policy. The certification pathway is: Special Issuance — depends on underlying condition.
Can I fly while taking Azathioprine?
Flying while taking Azathioprine may be possible through the FAA's Special Issuance process. You will need to meet specific requirements and obtain approval before exercising pilot privileges. Consult an experienced AME for guidance.
Important Notice
The FAA does not publish a comprehensive list of “approved” medications. The information on this page represents our interpretation of publicly available FAA guidance and is provided for informational and educational purposes only. It does not constitute medical advice, legal advice, or a guarantee of certification outcome.
The primary issue with the FAA is always whether the underlying medical condition — not just the medication — is compatible with safe flight. You should only start, stop, or change medications after consulting your treating physician. Always consult with a qualified Aviation Medical Examiner (AME) for guidance specific to your situation. FAA policies are subject to change. ClearedMed is not affiliated with or endorsed by the FAA.