Calcium Channel Blocker (Blood Pressure / Heart Rate)Generally Approved

Diltiazem

Brand names: Cardizem, Tiazac|Last verified: 2026-03-01

FAA Pathway: Standard issuance by AME for hypertension

Diltiazem is a calcium channel blocker generally acceptable for FAA certification when used for hypertension. If prescribed for arrhythmia, the underlying cardiac condition may require Special Issuance evaluation.

Check your medications

Look up any medication in our FAA compatibility database.

Medication Checker

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

Key Requirements

Blood pressure controlled, no symptomatic bradycardia

Certificate Classes

All classes eligible (hypertension indication)

Side Effects to Report

Dizziness, bradycardia, edema

Notes

If used for arrhythmia, Special Issuance pathway may apply

Sources

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

Last verified: 2026-03-01

Frequently Asked Questions

Is Diltiazem allowed for pilots?

The FAA considers Diltiazem (Cardizem, Tiazac) to be "Generally Approved" for medical certification purposes. Diltiazem is a calcium channel blocker generally acceptable for FAA certification when used for hypertension. If prescribed for arrhythmia, the underlying cardiac condition may require Special Issuance evaluation.

What is the FAA status of Diltiazem?

Diltiazem has a status of "Generally Approved" under FAA medical certification policy. The certification pathway is: Standard issuance by AME for hypertension.

Can I fly while taking Diltiazem?

Diltiazem 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.