Independent register of U.S. FDA drug recalls · updated Oct 10, 2026
RxRecalls Get alerts

Thyroid Medication Recalls

Recalls of levothyroxine and other thyroid hormone replacement drugs, often over sub-potency.

235 recalls in this category, newest first.

Class II · Moderate risk

Armour Thyroid

CGMP Deviations: Products were exposed to temperatures outside of the products labeled storage conditions.

Terminated Temperature excursion Cardinal Healthcare D-0168-2024
Class I · High risk

NP Thyroid 120

Subpotent Drug: FDA analysis found these products to be less than the labeled claim for the levothyroxine (T4) portion of the product.

Terminated Wrong potency / content Acella Pharmaceuticals, LLC NDC 42192-328-01 D-0036-2021
Class I · High risk

NP Thyroid 15

Subpotent Drug: FDA analysis found these products to be less than the labeled claim for the levothyroxine (T4) portion of the product.

Terminated Wrong potency / content Acella Pharmaceuticals, LLC NDC 42192-327-01 D-0035-2021
Class II · Moderate risk

Nature-Throid 1 GR

CGMP deviations; repackaged product was recalled by the manufacturer because it was manufactured under the same conditions as products found to be sub-potent.

Terminated cGMP deviation PD-Rx Pharmaceuticals, Inc. NDC 43063-819-01 D-0005-2021
Class II · Moderate risk

Nature-Throid

CGMP Deviations

Terminated cGMP deviation Preferred Pharmaceuticals, Inc. NDC 68788-7605-09 D-1624-2020