Product Information

PRIMIDONE 250 MG TABLET is a generic product labeled by Oxford Pharmaceuticals, LLC, priced at $0.2197 per EA under NDC 69584068550. Its NADAC has been published 285 times since Mar 10, 2021.

FDA first approved this application on Feb 24, 2005. Its Orange Book therapeutic-equivalence code is AB — FDA rates it therapeutically equivalent to (substitutable for) its reference product.

PRIMIDONE 250 MG TABLET

Primidone
$0.2197per EA

Strength

250 mg/1

NDC

69584068550

Classification

Generic

Dosage Form

TABLET

Route

ORAL

Effective Date

8/19/2026

Active Ingredients

PRIMIDONE

Approval Type

Generic (ANDA)

FDA Application

ANDA040586

FDA Approved

2/24/2005

TE Code

AB

On Market Since

2/22/2021

Pharmacological Classes

Anti-epileptic Agent
Decreased Central Nervous System Disorganized Electrical Activity

Price Statistics

The NADAC for PRIMIDONE 250 MG TABLET has been published 285 times since Mar 10, 2021, and over the history we have for it it has declined 27.1%. 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$0.1915 (Nov 20, 2024)
52-week high$0.2741
52-week low$0.2197
Median price$0.2874
Average price$0.2783
Largest weekly change+31.2% (Aug 21, 2024)
Weeks tracked285
Tracking sinceMar 10, 2021

Price History

1W

-1.1%

1M

-1.1%

3M

-6.2%

6M

-5.6%

1Y

-19.8%

3Y

-22.6%

5Y

-29.5%

All

-27.1%

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). 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.

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 Oxford Pharmaceuticals, LLC, is $0.2197 per EA (NDC 69584068550), 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 27.1%. It has been tracked across 285 weekly CMS publications since Mar 10, 2021.

What are the highest and lowest recorded NADAC prices for PRIMIDONE 250 MG TABLET?

Since Mar 10, 2021, the NADAC for PRIMIDONE 250 MG TABLET has ranged from a low of $0.1915 (Nov 20, 2024) to a high of $0.3204 (Jul 13, 2022), with a median of $0.2874 per EA.

Are there cheaper alternatives to PRIMIDONE 250 MG TABLET?

Yes. 11 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 69584068550) is labeled by Oxford Pharmaceuticals, LLC, and CMS classifies it as a generic product.