Product Information

ZARONTIN 250 MG CAPSULE is a brand product labeled by Pfizer Inc., priced at $1.3086 per EA under NDC 00071023724. Its NADAC has been published 305 times since Nov 28, 2013.

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

ZARONTIN 250 MG CAPSULE

Ethosuximide
$1.3086per EA
High Outlier

Strength

250 mg/1

Manufacturer

Pfizer Inc.

NDC

00071023724

Classification

Brand

Dosage Form

CAPSULE

Route

ORAL

Last Updated

1/1/2026

Active Ingredients

ETHOSUXIMIDE

Approval Type

New Drug (NDA)

FDA Application

NDA012380

On Market Since

9/22/2000

Pharmacological Classes

Anti-epileptic Agent
Decreased Central Nervous System Disorganized Electrical Activity

Price Statistics

The NADAC for ZARONTIN 250 MG CAPSULE has been published 305 times since Nov 28, 2013, and over the history we have for it it has declined 30.9%. The table below summarizes its recorded NADAC range and movement.

Current price$1.3086 per EA
All-time high$3.5451 (Jan 16, 2019)
All-time low$1.2742 (Oct 22, 2025)
52-week high$1.3086
52-week low$1.2742
Median price$2.7046
Average price$2.6270
Largest weekly change-64.1% (Oct 22, 2025)
Weeks tracked305
Tracking sinceNov 28, 2013

Price History

1W

0.0%

1M

0.0%

3M

0.0%

6M

+2.7%

1Y

-63.1%

3Y

-63.1%

5Y

-63.1%

All

-30.9%

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 81% 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 ZARONTIN 250 MG CAPSULE?

The current National Average Drug Acquisition Cost (NADAC) for ZARONTIN 250 MG CAPSULE, manufactured by Pfizer Inc., is $1.3086 per EA (NDC 00071023724), effective Jun 24, 2026.

How has the price of ZARONTIN 250 MG CAPSULE changed over time?

Over the history we have for it, the NADAC for ZARONTIN 250 MG CAPSULE has declined 30.9%. It has been tracked across 305 weekly CMS publications since Nov 28, 2013.

What are the highest and lowest recorded NADAC prices for ZARONTIN 250 MG CAPSULE?

Since Nov 28, 2013, the NADAC for ZARONTIN 250 MG CAPSULE has ranged from a low of $1.2742 (Oct 22, 2025) to a high of $3.5451 (Jan 16, 2019), with a median of $2.7046 per EA.

Are there cheaper alternatives to ZARONTIN 250 MG CAPSULE?

Yes. 2 NADAC-published products share the same active ingredient, strength, and dosage form. The lowest-priced option, ETHOSUXIMIDE 250 MG CAPSULE, is $0.2523 per EA — about 81% below ZARONTIN 250 MG CAPSULE.

Who manufactures ZARONTIN 250 MG CAPSULE?

ZARONTIN 250 MG CAPSULE (NDC 00071023724) is labeled by Pfizer Inc., and CMS classifies it as a brand product.