Product Information

PRIMIDONE 50 MG TABLET is a generic product labeled by Amneal Pharmaceuticals of New York LLC, priced at $0.0916 per EA under NDC 53746054401. Its NADAC has been published 459 times since Nov 8, 2017.

FDA first approved this application on Apr 23, 2008. Its Orange Book therapeutic-equivalence code is AB — FDA rates it therapeutically equivalent to (substitutable for) its reference product.

PRIMIDONE 50 MG TABLET

Primidone
$0.0916per EA

Strength

50 mg/1

NDC

53746054401

Classification

Generic

Dosage Form

TABLET

Route

ORAL

Effective Date

8/19/2026

Active Ingredients

PRIMIDONE

Approval Type

Generic (ANDA)

FDA Application

ANDA040866

FDA Approved

4/23/2008

TE Code

AB

On Market Since

12/24/2009

Pharmacological Classes

Anti-epileptic Agent
Decreased Central Nervous System Disorganized Electrical Activity

Price Statistics

The NADAC for PRIMIDONE 50 MG TABLET has been published 459 times since Nov 8, 2017, and over the history we have for it it has risen 12.6%. The table below summarizes its recorded NADAC range and movement.

Current price$0.0916 per EA
All-time high$0.1723 (Jun 15, 2022)
All-time low$0.0764 (Jan 17, 2018)
52-week high$0.1108
52-week low$0.0915
Median price$0.1246
Average price$0.1221
Largest weekly change+32.9% (Feb 19, 2020)
Weeks tracked459
Tracking sinceNov 8, 2017

Price History

1W

+0.1%

1M

+0.1%

3M

-3.3%

6M

-2.8%

1Y

-17.4%

3Y

-34.7%

5Y

-43.3%

All

+12.6%

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.

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 Amneal Pharmaceuticals of New York LLC, is $0.0916 per EA (NDC 53746054401), 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 risen 12.6%. It has been tracked across 459 weekly CMS publications since Nov 8, 2017.

What are the highest and lowest recorded NADAC prices for PRIMIDONE 50 MG TABLET?

Since Nov 8, 2017, the NADAC for PRIMIDONE 50 MG TABLET has ranged from a low of $0.0764 (Jan 17, 2018) to a high of $0.1723 (Jun 15, 2022), with a median of $0.1246 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 53746054401) is labeled by Amneal Pharmaceuticals of New York LLC, and CMS classifies it as a generic product.