Product Information
PRIMIDONE 250 MG TABLET is a generic product labeled by NorthStar Rx LLC, priced at $0.2197 per EA under NDC 72603061001. Its NADAC has been published 51 times since Sep 3, 2025.
FDA first approved this application on Jun 28, 2022. Its Orange Book therapeutic-equivalence code is AB — FDA rates it therapeutically equivalent to (substitutable for) its reference product.
Strength
250 mg/1
Manufacturer
NorthStar Rx LLCNDC
72603061001
Classification
Generic
Dosage Form
TABLET
Route
ORAL
Effective Date
8/19/2026
Active Ingredients
PRIMIDONEApproval Type
Generic (ANDA)
FDA Application
ANDA214896FDA Approved
6/28/2022
TE Code
AB
On Market Since
5/1/2025
Pharmacological Classes
Price Statistics
The NADAC for PRIMIDONE 250 MG TABLET has been published 51 times since Sep 3, 2025, and over the history we have for it it has declined 19.8%. The table below summarizes its recorded NADAC range and movement.
| Current price | $0.2197 per EA |
|---|---|
| All-time high | $0.2741 (Sep 10, 2025) |
| All-time low | $0.2197 (Aug 19, 2026) |
| 52-week high | $0.2741 |
| 52-week low | $0.2197 |
| Median price | $0.2342 |
| Average price | $0.2397 |
| Largest weekly change | -5.4% (Oct 22, 2025) |
| Weeks tracked | 51 |
| Tracking since | Sep 3, 2025 |
Generic Alternatives
The matcher finds 10 manufacturers offering a NADAC-published product with this drug's active ingredient and strength in a comparable dosage form (cheapest from each manufacturer, up to 10 shown below). Switching to the cheapest would cut per-unit acquisition cost by roughly 4% at current NADAC. These are candidates to verify clinically, not guaranteed substitutes — see our generic drug prices guide.
Related Drugs
Same classification
Frequently asked questions
What is the NADAC price of PRIMIDONE 250 MG TABLET?
The current National Average Drug Acquisition Cost (NADAC) for PRIMIDONE 250 MG TABLET, manufactured by NorthStar Rx LLC, is $0.2197 per EA (NDC 72603061001), effective Aug 19, 2026.
How has the price of PRIMIDONE 250 MG TABLET changed over time?
Over the history we have for it, the NADAC for PRIMIDONE 250 MG TABLET has declined 19.8%. It has been tracked across 51 weekly CMS publications since Sep 3, 2025.
What are the highest and lowest recorded NADAC prices for PRIMIDONE 250 MG TABLET?
Since Sep 3, 2025, the NADAC for PRIMIDONE 250 MG TABLET has ranged from a low of $0.2197 (Aug 19, 2026) to a high of $0.2741 (Sep 10, 2025), with a median of $0.2342 per EA.
Are there cheaper alternatives to PRIMIDONE 250 MG TABLET?
Yes. 10 manufacturers publish a NADAC-priced product with the same active ingredient and strength in a comparable dosage form. The lowest-priced option, PRIMIDONE 250 MG TABLET, is $0.2102 per EA — about 4% below PRIMIDONE 250 MG TABLET.
Who manufactures PRIMIDONE 250 MG TABLET?
PRIMIDONE 250 MG TABLET (NDC 72603061001) is labeled by NorthStar Rx LLC, and CMS classifies it as a generic product.