Product Information
PRIMIDONE 50 MG TABLET is a generic product labeled by Chartwell RX LLC, priced at $0.0925 per EA under NDC 62135046890. Its NADAC has been published 151 times since Aug 9, 2023.
Strength
50 mg/1
Manufacturer
Chartwell RX LLCNDC
62135046890
Classification
Generic
Dosage Form
TABLET
Route
ORAL
Last Updated
6/17/2026
Active Ingredients
PRIMIDONEApproval Type
Generic (ANDA)
FDA Application
ANDA084903On Market Since
5/24/2001
Pharmacological Classes
Price Statistics
The NADAC for PRIMIDONE 50 MG TABLET has been published 151 times since Aug 9, 2023, and over the history we have for it it has declined 34.1%. The table below summarizes its recorded NADAC range and movement.
| Current price | $0.0925 per EA |
|---|---|
| All-time high | $0.1437 (Feb 14, 2024) |
| All-time low | $0.0925 (Jun 17, 2026) |
| 52-week high | $0.1147 |
| 52-week low | $0.0925 |
| Median price | $0.1182 |
| Average price | $0.1193 |
| Largest weekly change | -22.9% (Nov 20, 2024) |
| Weeks tracked | 151 |
| Tracking since | Aug 9, 2023 |
Generic Alternatives
The matcher finds 10 NADAC-published products sharing this drug's active ingredient, strength, and dosage form across 10 manufacturers (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.
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 Chartwell RX LLC, is $0.0925 per EA (NDC 62135046890), effective Jun 24, 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 34.1%. It has been tracked across 151 weekly CMS publications since Aug 9, 2023.
What are the highest and lowest recorded NADAC prices for PRIMIDONE 50 MG TABLET?
Since Aug 9, 2023, the NADAC for PRIMIDONE 50 MG TABLET has ranged from a low of $0.0925 (Jun 17, 2026) to a high of $0.1437 (Feb 14, 2024), with a median of $0.1182 per EA.
Are there cheaper alternatives to PRIMIDONE 50 MG TABLET?
10 NADAC-published products share the same active ingredient, strength, and dosage form as PRIMIDONE 50 MG TABLET, but none are currently priced below it.
Who manufactures PRIMIDONE 50 MG TABLET?
PRIMIDONE 50 MG TABLET (NDC 62135046890) is labeled by Chartwell RX LLC, and CMS classifies it as a generic product.
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