Nitrate (Angina Prevention)Disqualifying

Isosorbide Mononitrate

Brand names: Imdur, Monoket|Last verified: 2026-03-01

FAA Pathway: Not allowed — nitrates are explicitly listed as disqualifying on the FAA antihypertensives page

Isosorbide mononitrate and all nitrate medications are explicitly listed as "not allowed" on the FAA AME Guide antihypertensives page. Chronic nitrate use for angina prevention indicates active coronary artery disease management, which is disqualifying. Pilots may pursue Special Issuance for the underlying CAD if nitrates are discontinued.

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Certification Details

FAA Status
Not Allowed — nitrates explicitly prohibited
Reason
Nitrate use indicates active coronary artery disease
Underlying Condition
CAD may qualify for Special Issuance if nitrates are discontinued
Side Effects
Hypotension, dizziness — especially concerning at altitude
Next Steps
Consult AME or aviation cardiologist about cardiac Special Issuance pathway

Sources

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

Last verified: 2026-03-01

Frequently Asked Questions

Is Isosorbide Mononitrate allowed for pilots?

The FAA considers Isosorbide Mononitrate (Imdur, Monoket) to be "Disqualifying" for medical certification purposes. Isosorbide mononitrate and all nitrate medications are explicitly listed as "not allowed" on the FAA AME Guide antihypertensives page. Chronic nitrate use for angina prevention indicates active coronary artery disease management, which is disqualifying. Pilots may pursue Special Issuance for the underlying CAD if nitrates are discontinued.

What is the FAA status of Isosorbide Mononitrate?

Isosorbide Mononitrate has a status of "Disqualifying" under FAA medical certification policy. The certification pathway is: Not allowed — nitrates are explicitly listed as disqualifying on the FAA antihypertensives page.

Can I fly while taking Isosorbide Mononitrate?

Isosorbide Mononitrate is currently disqualifying for FAA medical certification. You cannot fly while taking this medication. A washout period and evaluation are typically required after discontinuation. Consult an AME or aviation attorney before making any medication changes.

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.