Product Information
PRIMIDONE 50 MG TABLET is a generic product labeled by NorthStar Rx LLC, priced at $0.0916 per EA under NDC 72603060902. 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
50 mg/1
Manufacturer
NorthStar Rx LLCNDC
72603060902
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 50 MG TABLET has been published 51 times since Sep 3, 2025, and over the history we have for it it has declined 17.4%. The table below summarizes its recorded NADAC range and movement.
| Current price | $0.0916 per EA |
|---|---|
| All-time high | $0.1108 (Sep 10, 2025) |
| All-time low | $0.0915 (Jul 22, 2026) |
| 52-week high | $0.1108 |
| 52-week low | $0.0915 |
| Median price | $0.0956 |
| Average price | $0.0982 |
| Largest weekly change | -4.0% (Dec 17, 2025) |
| Weeks tracked | 51 |
| Tracking since | Sep 3, 2025 |
Generic Alternatives
The matcher finds 11 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). None of the shown alternatives sit below the current price. 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 50 MG TABLET?
The current National Average Drug Acquisition Cost (NADAC) for PRIMIDONE 50 MG TABLET, manufactured by NorthStar Rx LLC, is $0.0916 per EA (NDC 72603060902), effective Aug 19, 2026.
How has the price of PRIMIDONE 50 MG TABLET changed over time?
Over the history we have for it, the NADAC for PRIMIDONE 50 MG TABLET has declined 17.4%. It has been tracked across 51 weekly CMS publications since Sep 3, 2025.
What are the highest and lowest recorded NADAC prices for PRIMIDONE 50 MG TABLET?
Since Sep 3, 2025, the NADAC for PRIMIDONE 50 MG TABLET has ranged from a low of $0.0915 (Jul 22, 2026) to a high of $0.1108 (Sep 10, 2025), with a median of $0.0956 per EA.
Are there cheaper alternatives to PRIMIDONE 50 MG TABLET?
11 manufacturers publish a NADAC-priced product with the same active ingredient and strength as PRIMIDONE 50 MG TABLET in a comparable dosage form, but none are currently priced below it.
Who manufactures PRIMIDONE 50 MG TABLET?
PRIMIDONE 50 MG TABLET (NDC 72603060902) is labeled by NorthStar Rx LLC, and CMS classifies it as a generic product.