Golden State Medical Recalls Primidone Tablets Due to Contamination
Golden State Medical Supply recalls 8,526 bottles of Primidone Tablets USP 50 mg due to cross-contamination with Acemetacin API. Check your lot numbers.
Use caution until it’s fixed
Cross contamination with other products: API contaminated with trace amounts of Acemetacin API.
Contact the company
What happened, in plain English
Golden State Medical Supply Inc. is recalling Primidone Tablets, USP, 50 mg in 50-count bottles because they may be contaminated with trace amounts of another drug's active ingredient, Acemetacin. The recall affects 8,526 bottles distributed nationwide across the United States. No specific remedy or action steps are currently listed in the record. Read more at govinfonow.com/recall/31329-golden-state-medical-recalls-primidone-tablets-due-to-contamination.
Source Summary by GovInfoNow · govinfonow.com/recall/31329-golden-state-medical-recalls-primidone-tablets-due-to-contamination · Updated October 9, 2026 · FDA enforcement record: FDA #D-0534-2026
Cite this page
“Golden State Medical Recalls Primidone Tablets Due to Contamination.” GovInfoNow, updated October 9, 2026. https://govinfonow.com/recall/31329-golden-state-medical-recalls-primidone-tablets-due-to-contamination. Based on FDA recall #D-0534-2026 (https://api.fda.gov/drug/enforcement.json?search=recall_number:%22D-0534-2026%22&limit=1).
Why it’s dangerous
The tablets may contain trace amounts of Acemetacin API due to cross-contamination during manufacturing. This unintended presence of another drug's active ingredient could lead to unexpected side effects or interactions for patients taking Primidone.
Who’s affected
Patients in the USA who have been prescribed Primidone Tablets, USP, 50 mg by a healthcare provider. Individuals possessing bottles with the specific lot numbers and expiration dates listed below are at risk of exposure to the contaminant.
How to tell if you have this one
Look for a 50-count bottle of Primidone Tablets, USP, 50 mg, RX only, manufactured by Lannett Company, Inc. and marketed by Golden State Medical Supply Inc. Check the label for NDC 51407-637-05 and one of the following lot numbers: GS066750, GS067084, GS067710, GS067873 (Exp 3/31/2028) or GS068339, GS068897 (Exp 8/31/2028).
- Brand
Golden State Medical Supply- Category
Drug
All 2 products in this recall
FDA lists each product line separately under one recall event. Check your product description, lot or code numbers against each row. Every row shares the hazard and remedy on this page.
- Classification
Class III- Status
Ongoing- Distribution
USA Nationwide- NDC
51407-637-01, 51407-637-05, 51407-638-01
| Recall number | Product, codes & lots | Quantity |
|---|---|---|
| D-0534-2026 | 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; Lot#: GS066750, GS067084, GS067710, GS067873, Exp 3/31/2028; GS068339, GS068897, Exp 8/31/2028 | 8,526 bottles |
| D-0535-2026 | Primidone Tablets, USP, 250 mg, 100-count bottle, RX only, Manufactured by: Lannett Company, Inc., Marketed by: GSMS, Incorporated, Camarillo, CA 93012. NDC 51407-638-01; Lot #: GS067909, Exp 4/30/2028; GS068646, Exp 8/31/2026 | 1,620 bottles |
What to do — step by step
Check Your Medication
Verify if you have the recalled Primidone Tablets by checking the NDC and lot numbers on your bottle against the list provided.
Contact Your Pharmacist
If you have the affected product, contact your pharmacist or healthcare provider for guidance on what to do next, as no specific remedy is stated in the record.
Where it went and when
Where it was distributed
Distributed nationwide.
FDA distribution: “USA Nationwide” States read from FDA’s own wording; “not listed” means the notice does not name it.
Distributed nationwide.
Recall timeline
FDA published this recall 30 days after the firm started it.
- Firm started the recall
- FDA classified it Class III
- Published in FDA’s Enforcement Report
Dates from the agency record only; steps without a date are left out.
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Where this comes from
The facts (hazard, remedy, dates, manufacturer) are pulled from the official FDA recall record. The plain-language summary and step-by-step checklist are written by GovInfoNow to make the official notice easier to act on — they don’t replace it.
- Official source: FDA Recall #D-0534-2026 (April 27, 2026) — FDA publishes no per-recall page; this is the official machine-readable enforcement record. Search FDA recalls for D-0534-2026 to see it in context.
- Plain-language summary written by qwen3.6:35b-a3b on October 9, 2026, from the official record above. Not reviewed by a person — if it conflicts with the FDA notice, the notice is correct. Report an error on this page.
- GovInfoNow is an independent service and is not a government agency. We republish official FDA recall data; we don’t issue, amend or administer recalls.