Product Information
PRIMIDONE 250 MG TABLET is a generic product labeled by Actavis Pharma, Inc., priced at $0.2197 per EA under NDC 00591532101. Its NADAC has been published 665 times since Nov 28, 2013.
FDA first approved this application before 1982. Its Orange Book therapeutic-equivalence code is AB — FDA rates it therapeutically equivalent to (substitutable for) its reference product.
The High Outlier badge above means this manufacturer's average price in the Primidone market falls above Q3 + 1.5·IQR across all competing manufacturers. We only apply this flag in markets with four or more competitors. Full definition: glossary → outlier.
Strength
250 mg/1
Manufacturer
Actavis Pharma, Inc.NDC
00591532101
Classification
Generic
Dosage Form
TABLET
Route
ORAL
Effective Date
8/19/2026
Active Ingredients
PRIMIDONEApproval Type
Generic (ANDA)
FDA Application
ANDA083551FDA Approved
Before 1982
TE Code
AB
On Market Since
6/19/2010
Pharmacological Classes
Price Statistics
The NADAC for PRIMIDONE 250 MG TABLET has been published 665 times since Nov 28, 2013, and over the history we have for it it has risen 32.3%. The table below summarizes its recorded NADAC range and movement.
| Current price | $0.2197 per EA |
|---|---|
| All-time high | $0.3204 (Jul 13, 2022) |
| All-time low | $0.1402 (Mar 22, 2017) |
| 52-week high | $0.2741 |
| 52-week low | $0.2197 |
| Median price | $0.2311 |
| Average price | $0.2292 |
| Largest weekly change | +31.2% (Aug 21, 2024) |
| Weeks tracked | 665 |
| Tracking since | Nov 28, 2013 |
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 Actavis Pharma, Inc., is $0.2197 per EA (NDC 00591532101), 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 risen 32.3%. It has been tracked across 665 weekly CMS publications since Nov 28, 2013.
What are the highest and lowest recorded NADAC prices for PRIMIDONE 250 MG TABLET?
Since Nov 28, 2013, the NADAC for PRIMIDONE 250 MG TABLET has ranged from a low of $0.1402 (Mar 22, 2017) to a high of $0.3204 (Jul 13, 2022), with a median of $0.2311 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 00591532101) is labeled by Actavis Pharma, Inc., and CMS classifies it as a generic product.