Independent register of U.S. FDA drug recalls · updated Oct 10, 2026
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Class III · Low risk Terminated Initiated Sep 5, 2017 (9 years ago)

Phentermine

Class III — Low risk. Unlikely to cause harm, but violates FDA regulations.

Why it was recalled

Failed Impurities/Degradation Specification; out-of-specification results for individual unknown impurities at the 30 month Room Temperature Retained Sample stability test

Cause type: Temperature excursion

The product was stored or shipped outside its labeled temperature range. Heat or freezing can degrade a drug without any visible change, so it may be weaker than labeled. All temperature excursion recalls.

What was recalled

Phentermine, USP Capsules, 15 mg, 30 count bottles, Rx only, Packaged By: Aidarex Pharmaceuticals, Corona, CA, MFG: KVK-TECH INC. Newtown. PA --- 33261-0361-30

Affected NDC 33261-0361-30

Compare with the code on your package — it is the most precise check available.

Drug: Phentermine

Recalling firm
Aidarex Pharmaceuticals LLC
Origin
CA, United States
Initiated by
Voluntary: Firm initiated
FDA recall number
D-1162-2017 · FDA notice

Low risk, still worth a check. Class III means the product is unlikely to cause harm but breaks an FDA rule (often labeling). If your lot matches, your pharmacy will normally swap it; there is no need for alarm. This recall is now terminated, which means the firm has finished removing the affected product; anything on pharmacy shelves today should be unaffected.

Other Phentermine recalls

See all
Class II · Moderate risk

Phentermine

cMGP Deviations: Drug products repackaged into pouches without supporting stability studies.

Terminated Stability / shelf life Calvin Scott & Company, Inc. NDC 00527-0597-10 D-0011-2021
Class II · Moderate risk

Phentermine HCL Blue Speckled tablets

CGMP Deviations: Light sensitive drug products repackaged in transparent/partially transparent pouches.

Terminated cGMP deviation Calvin Scott & Company, Inc. NDC 10702-0025-10 D-1532-2020

Other recalls by Aidarex Pharmaceuticals LLC

All 2017 recalls
Class III · Low risk

Enalapril Maleate

Out-of-specification results for the Enalapril Diketopiperazine degradation product during commercial stability.

Terminated Impurity / degradation Aidarex Pharmaceuticals LLC D-0992-2018
Class III · Low risk

Enalapril Maleate

Out-of-specification results for the Enalapril Diketopiperazine degradation product during commercial stability.

Terminated Impurity / degradation Aidarex Pharmaceuticals LLC D-0991-2018
Class III · Low risk

Enalapril Maleate

Out-of-specification results for the Enalapril Diketopiperazine degradation product during commercial stability.

Terminated Impurity / degradation Aidarex Pharmaceuticals LLC D-0990-2018