Product Information

PRIMIDONE 50 MG TABLET is a generic product labeled by Advagen Pharma Ltd., priced at $0.0916 per EA under NDC 72888004505. Its NADAC has been published 194 times since Dec 7, 2022.

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.

PRIMIDONE 50 MG TABLET

Primidone
$0.0916per EA

Strength

50 mg/1

NDC

72888004505

Classification

Generic

Dosage Form

TABLET

Route

ORAL

Effective Date

8/19/2026

Active Ingredients

PRIMIDONE

Approval Type

Generic (ANDA)

FDA Application

ANDA214896

FDA Approved

6/28/2022

TE Code

AB

On Market Since

6/28/2022

Pharmacological Classes

Anti-epileptic Agent
Decreased Central Nervous System Disorganized Electrical Activity

Price Statistics

The NADAC for PRIMIDONE 50 MG TABLET has been published 194 times since Dec 7, 2022, and over the history we have for it it has declined 44.2%. The table below summarizes its recorded NADAC range and movement.

Current price$0.0916 per EA
All-time high$0.1640 (Dec 14, 2022)
All-time low$0.0915 (Jul 22, 2026)
52-week high$0.1108
52-week low$0.0915
Median price$0.1235
Average price$0.1232
Largest weekly change-22.9% (Nov 20, 2024)
Weeks tracked194
Tracking sinceDec 7, 2022

Price History

1W

+0.1%

1M

+0.1%

3M

-3.3%

6M

-2.8%

1Y

-17.4%

3Y

-34.7%

5Y

N/A

All

-44.2%

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 Advagen Pharma Ltd., is $0.0916 per EA (NDC 72888004505), 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 44.2%. It has been tracked across 194 weekly CMS publications since Dec 7, 2022.

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

Since Dec 7, 2022, the NADAC for PRIMIDONE 50 MG TABLET has ranged from a low of $0.0915 (Jul 22, 2026) to a high of $0.1640 (Dec 14, 2022), with a median of $0.1235 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 72888004505) is labeled by Advagen Pharma Ltd., and CMS classifies it as a generic product.