Product Information

PHENYTEK 300 MG CAPSULE is a brand (anda) product labeled by Mylan Pharmaceuticals Inc., priced at $2.0978 per EA under NDC 00378375093. Its NADAC has been published 379 times since Nov 28, 2013.

The High Outlier badge above means this manufacturer's average price in the phenytoin sodium 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.

PHENYTEK 300 MG CAPSULE

phenytoin sodium
$2.0978per EA
High Outlier

Strength

300 mg/1

NDC

00378375093

Classification

Brand (ANDA)

Dosage Form

CAPSULE, EXTENDED RELEASE

Route

ORAL

Last Updated

6/17/2026

Active Ingredients

PHENYTOIN SODIUM

Approval Type

Generic (ANDA)

FDA Application

ANDA040298

On Market Since

12/10/2001

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 PHENYTEK 300 MG CAPSULE has been published 379 times since Nov 28, 2013, and over the history we have for it it has risen 19.8%. The table below summarizes its recorded NADAC range and movement.

Current price$2.0978 per EA
All-time high$2.0978 (Jun 24, 2026)
All-time low$1.7515 (Nov 28, 2013)
52-week high$2.0978
52-week low$2.0910
Median price$1.9755
Average price$1.9976
Largest weekly change+12.8% (Apr 23, 2014)
Weeks tracked379
Tracking sinceNov 28, 2013

Price History

1W

0.0%

1M

+0.3%

3M

+0.2%

6M

+0.2%

1Y

+0.3%

3Y

+0.6%

5Y

+0.6%

All

+19.8%

Generic Alternatives

The matcher finds 2 NADAC-published products sharing this drug's active ingredient, strength, and dosage form across 2 manufacturers (up to 10 shown below). Switching to the cheapest would cut per-unit acquisition cost by roughly 35% 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 PHENYTEK 300 MG CAPSULE?

The current National Average Drug Acquisition Cost (NADAC) for PHENYTEK 300 MG CAPSULE, manufactured by Mylan Pharmaceuticals Inc., is $2.0978 per EA (NDC 00378375093), effective Jun 24, 2026.

How has the price of PHENYTEK 300 MG CAPSULE changed over time?

Over the history we have for it, the NADAC for PHENYTEK 300 MG CAPSULE has risen 19.8%. It has been tracked across 379 weekly CMS publications since Nov 28, 2013.

What are the highest and lowest recorded NADAC prices for PHENYTEK 300 MG CAPSULE?

Since Nov 28, 2013, the NADAC for PHENYTEK 300 MG CAPSULE has ranged from a low of $1.7515 (Nov 28, 2013) to a high of $2.0978 (Jun 24, 2026), with a median of $1.9755 per EA.

Are there cheaper alternatives to PHENYTEK 300 MG CAPSULE?

Yes. 2 NADAC-published products share the same active ingredient, strength, and dosage form. The lowest-priced option, PHENYTOIN SOD EXT 300 MG CAP, is $1.3607 per EA — about 35% below PHENYTEK 300 MG CAPSULE.

Who manufactures PHENYTEK 300 MG CAPSULE?

PHENYTEK 300 MG CAPSULE (NDC 00378375093) is labeled by Mylan Pharmaceuticals Inc., and CMS classifies it as a brand (anda) product.