Product Information

PHENYTOIN 50 MG INFATAB CHEW is a generic product labeled by Prasco Laboratories, priced at $0.1841 per EA under NDC 66993037202. Its NADAC has been published 234 times since Jan 5, 2022.

PHENYTOIN 50 MG INFATAB CHEW

Phenytoin
$0.1841per EA

Strength

50 mg/1

NDC

66993037202

Classification

Generic

Dosage Form

TABLET, CHEWABLE

Route

ORAL

Last Updated

6/17/2026

Active Ingredients

PHENYTOIN

Approval Type

Generic (ANDA)

FDA Application

ANDA084427

On Market Since

11/23/2021

Pharmacological Classes

Anti-epileptic Agent
Cytochrome P450 1A2 Inducers
Cytochrome P450 2B6 Inducers
Cytochrome P450 2C19 Inducers
Cytochrome P450 2C8 Inducers
Cytochrome P450 2C9 Inducers
Cytochrome P450 2D6 Inducers
Cytochrome P450 3A Inducers
Decreased Central Nervous System Disorganized Electrical Activity

Price Statistics

The NADAC for PHENYTOIN 50 MG INFATAB CHEW has been published 234 times since Jan 5, 2022, and over the history we have for it it has declined 37.9%. The table below summarizes its recorded NADAC range and movement.

Current price$0.1841 per EA
All-time high$0.3090 (Aug 10, 2022)
All-time low$0.1761 (Apr 17, 2024)
52-week high$0.2424
52-week low$0.1793
Median price$0.2268
Average price$0.2275
Largest weekly change+30.3% (Jul 20, 2022)
Weeks tracked234
Tracking sinceJan 5, 2022

Price History

1W

0.0%

1M

-2.7%

3M

-0.2%

6M

-2.8%

1Y

-20.4%

3Y

-17.8%

5Y

N/A

All

-37.9%

Generic Alternatives

The matcher finds 5 NADAC-published products sharing this drug's active ingredient, strength, and dosage form across 5 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 PHENYTOIN 50 MG INFATAB CHEW?

The current National Average Drug Acquisition Cost (NADAC) for PHENYTOIN 50 MG INFATAB CHEW, manufactured by Prasco Laboratories, is $0.1841 per EA (NDC 66993037202), effective Jun 24, 2026.

How has the price of PHENYTOIN 50 MG INFATAB CHEW changed over time?

Over the history we have for it, the NADAC for PHENYTOIN 50 MG INFATAB CHEW has declined 37.9%. It has been tracked across 234 weekly CMS publications since Jan 5, 2022.

What are the highest and lowest recorded NADAC prices for PHENYTOIN 50 MG INFATAB CHEW?

Since Jan 5, 2022, the NADAC for PHENYTOIN 50 MG INFATAB CHEW has ranged from a low of $0.1761 (Apr 17, 2024) to a high of $0.3090 (Aug 10, 2022), with a median of $0.2268 per EA.

Are there cheaper alternatives to PHENYTOIN 50 MG INFATAB CHEW?

5 NADAC-published products share the same active ingredient, strength, and dosage form as PHENYTOIN 50 MG INFATAB CHEW, but none are currently priced below it.

Who manufactures PHENYTOIN 50 MG INFATAB CHEW?

PHENYTOIN 50 MG INFATAB CHEW (NDC 66993037202) is labeled by Prasco Laboratories, and CMS classifies it as a generic product.