Anticoagulant (Blood Thinner)Conditionally Approved

Warfarin

Brand names: Coumadin, Jantoven|Last verified: 2026-03-01

FAA Pathway: Special Issuance required

Warfarin may be approved through Special Issuance, depending on the underlying condition requiring anticoagulation. The INR must be stable and within therapeutic range. The underlying condition (DVT, AFib, mechanical valve) drives the certification pathway.

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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

Key Requirements
Stable INR, underlying condition must be certifiable
Certificate Classes
Depends on underlying condition
Monitoring
Regular INR checks, documentation of stability
Notes
Newer anticoagulants (DOACs) may also be considered

Sources

  • FAA AME Guide — Pharmaceuticals: Anticoagulants (faa.gov/ame_guide/pharm/anticoag)

Last verified: 2026-03-01

Frequently Asked Questions

Is Warfarin allowed for pilots?

The FAA considers Warfarin (Coumadin, Jantoven) to be "Conditionally Approved" for medical certification purposes. Warfarin may be approved through Special Issuance, depending on the underlying condition requiring anticoagulation. The INR must be stable and within therapeutic range. The underlying condition (DVT, AFib, mechanical valve) drives the certification pathway.

What is the FAA status of Warfarin?

Warfarin has a status of "Conditionally Approved" under FAA medical certification policy. The certification pathway is: Special Issuance required.

Can I fly while taking Warfarin?

Flying while taking Warfarin 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.