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Weight loss

Phentermine and other stimulant weight-loss drugs and your FAA medical

Sympathomimetic weight-loss medication
Other names: Adipex, Adipex-P, Fastin, Lomaira, Qsymia, diethylpropion

Taken for: Weight lossTaking it for something else? The entries here do not cover that use. The FAA may address it in the guidance for your condition. Ask your examiner.

FAA guidance

Do not issue.

Examiner

Do not issue: the examiner cannot issue a certificate

FAA label

UNACCEPTABLE

Source: FAA, Weight Loss Medications. FAA date 26 August 2026. Checked by Crosscheck 11 November 2026

The FAA lists phentermine and the other stimulant weight-loss drugs, including Qsymia, as unacceptable, with use prohibited as a single agent or in any combination product.

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Show the FAA's words: phentermine and other stimulant weight-loss drugsThe official FAA wording: one passage, each with its document and dateOpen
FAA, Weight Loss Medications · FAA date 26 August 2026
UNACCEPTABLE Weight Loss Medications. Use prohibited as a single agent or in any combination product. Sympathomimetic (such as phentermine): benzphetamine (Regimex), diethylpropion (Tenuate, Tempanil), phendimetrazine (Bontril), phentermine (Adipex, Fastin), phentermine + topiramate (Qsymia)
Sources and dates: phentermine and other stimulant weight-loss drugsOne FAA document, with the FAA's date and when Crosscheck checked itOpen

Questions pilots ask

Each answer is built from the FAA guidance on this page. Its sources and dates are in the page.

What does the FAA say about phentermine and other stimulant weight-loss drugs for pilots?

FAA guidance: Do not issue. The FAA lists phentermine and the other stimulant weight-loss drugs, including Qsymia, as unacceptable, with use prohibited as a single agent or in any combination product. Crosscheck does not predict the FAA's decision.

What does the examiner do for phentermine and other stimulant weight-loss drugs?

Do not issue: the examiner cannot issue a certificate. Crosscheck does not predict the FAA's decision.

Related pages

Medication guidance alone does not determine whether a pilot is medically qualified to fly. The underlying condition, dosage, side effects, medication combinations, and certification history may affect FAA eligibility.

For informational purposes only. Not legal or medical advice.