FDAClass IIIRecall started April 27, 2026

Primidone Tablets 50 mg Recall: Contamination

Primidone Tablets, USP, 50 mg, 50-count bottle, RX only, Manufactured by: Lannett Company, Inc., Marketed by: GSMS, Incorporated, Camarillo, CA 93012.…

What is the FDA recall status?

The FDA record lists this recall as ongoing. FDA enforcement data is not a live recall-lifecycle tracker. Follow the official instructions and check the agency notice or firm for current guidance.

How FDA enforcement data reports status

Why was Primidone Tablets 50 mg recalled?

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

What should I do if I have this product?

Follow the firm and FDA instructions for the affected product. Contact the recalling firm for current guidance.

What to do with a recalled product: refunds, receipts, safe disposal and how to report a problem.

Is my product affected?

Compare your product with the product description and available lot, UPC or model codes below from the official FDA record to check whether it is covered by this recall. If an identifier is missing or unclear, check the complete official notice or contact the firm; an incomplete match here does not establish that your product is unaffected.

Full product description

Primidone Tablets, USP, 50 mg, 50-count bottle, RX only, Manufactured by: Lannett Company, Inc., Marketed by: GSMS, Incorporated, Camarillo, CA 93012. NDC 51407-637-05

Which lot codes, UPCs or models are affected?

Lot#: GS066750, GS067084, GS067710, GS067873, Exp 3/31/2028; GS068339, GS068897, Exp 8/31/2028

Agency record number
D-0534-2026
Product
Primidone Tablets, USP, 50 mg, 50-count bottle, RX only, Manufactured by: Lannett Company, Inc., Marketed by: GSMS, Incorporated, Camarillo, CA 93012.…
Recalling firm
Golden State Medical Supply Inc.
Quantity
8,526 bottles
Distribution
USA Nationwide
Recall started
April 27, 2026
Report date
May 27, 2026
Classification
Class III
Status
Ongoing
Agency
FDA (drug)
Open FDA enforcement record Latest recalls