Product Information
PHENYTEK 300 MG CAPSULE is a brand (anda) product labeled by Mylan Pharmaceuticals Inc., priced at $2.0978 per EA under NDC 00378375001. 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.
Strength
300 mg/1
Manufacturer
Mylan Pharmaceuticals Inc.NDC
00378375001
Classification
Brand (ANDA)
Dosage Form
CAPSULE, EXTENDED RELEASE
Route
ORAL
Last Updated
6/17/2026
Active Ingredients
PHENYTOIN SODIUMApproval Type
Generic (ANDA)
FDA Application
ANDA040298On Market Since
12/10/2001
Pharmacological Classes
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 tracked | 379 |
| Tracking since | Nov 28, 2013 |
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 00378375001), 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 00378375001) is labeled by Mylan Pharmaceuticals Inc., and CMS classifies it as a brand (anda) product.
Related Drugs
Same classification