Central Alpha Agonist (ADHD / Blood Pressure)Disqualifying

Guanfacine

Brand names: Intuniv, Tenex|Last verified: 2026-09-12

FAA Pathway: Do Not Issue (DNI) — for ADHD or blood pressure

Guanfacine is Do Not Issue for any use. The FAA's antihypertensive guidance lists guanfacine (Tenex) as an unacceptable blood pressure medication, and ADHD medications (Intuniv) are on the Do Not Issue list. If it was prescribed for ADHD, you must be off it at least 90 days before Standard Track testing, and use in the past 4 years rules out the ADHD Fast Track.

Check your medications

Look up any medication in our FAA compatibility database.

Medication Checker

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

FAA Status
Do Not Issue (DNI)
Blood Pressure Use
Listed as an unacceptable HTN medication (FAA Pharmaceuticals — Antihypertensives)
ADHD Use
Current use not acceptable, including PRN; at least 90 days off before Standard Track testing
Evaluation Path
ADHD use in the past 4 years: Standard Track (in-person HIMS neuropsychologist testing, then FAA review)
Certificate Classes
All classes

Sources

  • FAA AME Guide — Pharmaceuticals: Antihypertensives (faa.gov/ame_guide/pharm/antihyp)
  • FAA DNI/DNF Table (faa.gov/ame_guide/pharm/dni_dnf)

Last verified: 2026-09-12

Frequently Asked Questions

Is Guanfacine allowed for pilots?

The FAA considers Guanfacine (Intuniv, Tenex) to be "Disqualifying" for medical certification purposes. Guanfacine is Do Not Issue for any use. The FAA's antihypertensive guidance lists guanfacine (Tenex) as an unacceptable blood pressure medication, and ADHD medications (Intuniv) are on the Do Not Issue list. If it was prescribed for ADHD, you must be off it at least 90 days before Standard Track testing, and use in the past 4 years rules out the ADHD Fast Track.

What is the FAA status of Guanfacine?

Guanfacine has a status of "Disqualifying" under FAA medical certification policy. The certification pathway is: Do Not Issue (DNI) — for ADHD or blood pressure.

Can I fly while taking Guanfacine?

Guanfacine 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.