Alpha Blocker (Blood Pressure / BPH)Generally Approved

Doxazosin

Brand names: Cardura|Last verified: 2026-03-01

FAA Pathway: Standard issuance by AME with assessment for orthostatic effects

Doxazosin is generally acceptable for FAA certification when used for BPH or hypertension. The main aviation concern is orthostatic hypotension (dizziness on standing). A ground trial is recommended.

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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
No orthostatic hypotension or syncope
Certificate Classes
All classes eligible
Side Effects to Report
Dizziness, syncope, fatigue
Notes
Take at bedtime to minimize daytime dizziness

Sources

  • FAA AME Guide — Pharmaceuticals: Antihypertensives (faa.gov/ame_guide/pharm/antihyp)
  • FAA AME Guide — Pharmaceuticals: ED/BPH (faa.gov/ame_guide/pharm/ed)

Last verified: 2026-03-01

Frequently Asked Questions

Is Doxazosin allowed for pilots?

The FAA considers Doxazosin (Cardura) to be "Generally Approved" for medical certification purposes. Doxazosin is generally acceptable for FAA certification when used for BPH or hypertension. The main aviation concern is orthostatic hypotension (dizziness on standing). A ground trial is recommended.

What is the FAA status of Doxazosin?

Doxazosin has a status of "Generally Approved" under FAA medical certification policy. The certification pathway is: Standard issuance by AME with assessment for orthostatic effects.

Can I fly while taking Doxazosin?

Doxazosin is generally compatible with flying. However, you must report it on your FAA medical application (Form 8500-8) and ensure you are not experiencing side effects that could impair flight safety. Always consult your Aviation Medical Examiner (AME).

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.