Product Information

ZONISAMIDE 25 MG CAPSULE is a generic product labeled by Unichem Pharmaceuticals (USA) Inc., priced at $0.0597 per EA under NDC 29300042801. Its NADAC has been published 243 times since Jul 21, 2021.

ZONISAMIDE 25 MG CAPSULE

Zonisamide
$0.0597per EA

Strength

25 mg/1

NDC

29300042801

Classification

Generic

Dosage Form

CAPSULE

Route

ORAL

Last Updated

6/17/2026

Active Ingredients

ZONISAMIDE

Approval Type

Generic (ANDA)

FDA Application

ANDA214492

On Market Since

7/9/2021

Pharmacological Classes

Anti-epileptic Agent
Carbonic Anhydrase Inhibitors
Decreased Central Nervous System Disorganized Electrical Activity
P-Glycoprotein Inhibitors
Sulfonamides

Price Statistics

The NADAC for ZONISAMIDE 25 MG CAPSULE has been published 243 times since Jul 21, 2021, and over the history we have for it it has declined 45.1%. The table below summarizes its recorded NADAC range and movement.

Current price$0.0597 per EA
All-time high$0.1089 (Aug 11, 2021)
All-time low$0.0494 (Jul 17, 2024)
52-week high$0.0739
52-week low$0.0583
Median price$0.0736
Average price$0.0736
Largest weekly change+48.9% (Aug 21, 2024)
Weeks tracked243
Tracking sinceJul 21, 2021

Price History

1W

0.0%

1M

-8.6%

3M

-5.5%

6M

+2.5%

1Y

-19.2%

3Y

-7.7%

5Y

N/A

All

-45.1%

Generic Alternatives

The matcher finds 7 NADAC-published products sharing this drug's active ingredient, strength, and dosage form across 7 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 ZONISAMIDE 25 MG CAPSULE?

The current National Average Drug Acquisition Cost (NADAC) for ZONISAMIDE 25 MG CAPSULE, manufactured by Unichem Pharmaceuticals (USA) Inc., is $0.0597 per EA (NDC 29300042801), effective Jun 24, 2026.

How has the price of ZONISAMIDE 25 MG CAPSULE changed over time?

Over the history we have for it, the NADAC for ZONISAMIDE 25 MG CAPSULE has declined 45.1%. It has been tracked across 243 weekly CMS publications since Jul 21, 2021.

What are the highest and lowest recorded NADAC prices for ZONISAMIDE 25 MG CAPSULE?

Since Jul 21, 2021, the NADAC for ZONISAMIDE 25 MG CAPSULE has ranged from a low of $0.0494 (Jul 17, 2024) to a high of $0.1089 (Aug 11, 2021), with a median of $0.0736 per EA.

Are there cheaper alternatives to ZONISAMIDE 25 MG CAPSULE?

7 NADAC-published products share the same active ingredient, strength, and dosage form as ZONISAMIDE 25 MG CAPSULE, but none are currently priced below it.

Who manufactures ZONISAMIDE 25 MG CAPSULE?

ZONISAMIDE 25 MG CAPSULE (NDC 29300042801) is labeled by Unichem Pharmaceuticals (USA) Inc., and CMS classifies it as a generic product.