Product Information

ZONISAMIDE 100 MG CAPSULE is a generic product labeled by Viona Pharmaceuticals Inc., priced at $0.1067 per EA under NDC 72578004201. Its NADAC has been published 198 times since Nov 9, 2022.

FDA first approved this application on Oct 16, 2006. Its Orange Book therapeutic-equivalence code is AB — FDA rates it therapeutically equivalent to (substitutable for) its reference product.

ZONISAMIDE 100 MG CAPSULE

Zonisamide
$0.1067per EA

Strength

100 mg/1

NDC

72578004201

Classification

Generic

Dosage Form

CAPSULE

Route

ORAL

Effective Date

8/19/2026

Active Ingredients

ZONISAMIDE

Approval Type

Generic (ANDA)

FDA Application

ANDA077625

FDA Approved

10/16/2006

TE Code

AB

On Market Since

7/4/2022

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 100 MG CAPSULE has been published 198 times since Nov 9, 2022, and over the history we have for it it has declined 15.9%. The table below summarizes its recorded NADAC range and movement.

Current price$0.1067 per EA
All-time high$0.1296 (Feb 15, 2023)
All-time low$0.0857 (Nov 20, 2024)
52-week high$0.1089
52-week low$0.1052
Median price$0.1122
Average price$0.1123
Largest weekly change+24.3% (Aug 21, 2024)
Weeks tracked198
Tracking sinceNov 9, 2022

Price History

1W

-0.8%

1M

-0.8%

3M

-1.0%

6M

+0.1%

1Y

-2.0%

3Y

-11.8%

5Y

N/A

All

-15.9%

Generic Alternatives

The matcher finds 10 manufacturers offering a NADAC-published product with this drug's active ingredient and strength in a comparable dosage form (cheapest from each manufacturer, 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 100 MG CAPSULE?

The current National Average Drug Acquisition Cost (NADAC) for ZONISAMIDE 100 MG CAPSULE, manufactured by Viona Pharmaceuticals Inc., is $0.1067 per EA (NDC 72578004201), effective Aug 19, 2026.

How has the price of ZONISAMIDE 100 MG CAPSULE changed over time?

Over the history we have for it, the NADAC for ZONISAMIDE 100 MG CAPSULE has declined 15.9%. It has been tracked across 198 weekly CMS publications since Nov 9, 2022.

What are the highest and lowest recorded NADAC prices for ZONISAMIDE 100 MG CAPSULE?

Since Nov 9, 2022, the NADAC for ZONISAMIDE 100 MG CAPSULE has ranged from a low of $0.0857 (Nov 20, 2024) to a high of $0.1296 (Feb 15, 2023), with a median of $0.1122 per EA.

Are there cheaper alternatives to ZONISAMIDE 100 MG CAPSULE?

10 manufacturers publish a NADAC-priced product with the same active ingredient and strength as ZONISAMIDE 100 MG CAPSULE in a comparable dosage form, but none are currently priced below it.

Who manufactures ZONISAMIDE 100 MG CAPSULE?

ZONISAMIDE 100 MG CAPSULE (NDC 72578004201) is labeled by Viona Pharmaceuticals Inc., and CMS classifies it as a generic product.