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FDAClass III

Primidone Tablets USP, 250mg, 100-count bottle, Rx only, Distributed by: Lannett Company,… Recalled: Cross contamination with other products: API contaminated with trace amounts of Acemetaci…

Primidone Tablets USP, 250mg, 100-count bottle, Rx only,… was recalled on April 24, 2026 in cooperation with the U.S. Food and Drug Administration because cross contamination with other products: API contaminated with trace amounts of Acemetacin API..

Is my unit affected?

Primidone Tablets USP, 250mg, 100-count bottle, Rx only, Distributed by: Lannett Company, Inc., Philadelphia, PA 19136, NDC 0527-1231-01.

Model, lot & date codes to check

Lot#: 25283038A, Exp 1/31/2028; 25283564A, 25283565A, Exp 3/31/2028; 25285712A Exp 08/31/2028; 25284105A, Exp 4/30/2028; 25284874A, 25284875A, Exp 08/31/2028.

Units affected: 44865 bottles

Where it was sold: USA Nationwide

Compare the codes above against the label on your product — usually on the bottom, the back panel, or the packaging. If your unit isn't listed, it is not part of this recall.

What's the hazard?

Cross contamination with other products: API contaminated with trace amounts of Acemetacin API.

Class III means the product is unlikely to cause a health problem, but it violates FDA labeling or manufacturing rules.

Your remedy & how to claim it

Stop using the product. Return it to the place of purchase for a refund, or dispose of it. Contact the recalling firm with questions.

Contact: Recalling firm: Lannett Company Inc.

Not sure what you're entitled to? Read our guide: what to do if your product is recalled.

Official recall notice

Always confirm details on the official notice from the U.S. Food and Drug Administration before acting.

View official notice →

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