Product Information
ZONISAMIDE 50 MG CAPSULE is a generic product labeled by Viona Pharmaceuticals Inc., priced at $0.0955 per EA under NDC 72578004101. Its NADAC has been published 204 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.
Strength
50 mg/1
Manufacturer
Viona Pharmaceuticals Inc.NDC
72578004101
Classification
Generic
Dosage Form
CAPSULE
Route
ORAL
Effective Date
9/23/2026
Active Ingredients
ZONISAMIDEApproval Type
Generic (ANDA)
FDA Application
ANDA077625FDA Approved
10/16/2006
TE Code
AB
On Market Since
7/4/2022
Pharmacological Classes
Price Statistics
The NADAC for ZONISAMIDE 50 MG CAPSULE has been published 204 times since Nov 9, 2022, and over the history we have for it it has held within roughly two percent of its current level. The table below summarizes its recorded NADAC range and movement.
| Current price | $0.0955 per EA |
|---|---|
| All-time high | $0.1181 (Sep 13, 2023) |
| All-time low | $0.0679 (Jul 17, 2024) |
| 52-week high | $0.0984 |
| 52-week low | $0.0948 |
| Median price | $0.0950 |
| Average price | $0.0926 |
| Largest weekly change | +39.5% (Aug 21, 2024) |
| Weeks tracked | 204 |
| Tracking since | Nov 9, 2022 |
Generic Alternatives
The matcher finds 6 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.
Related Drugs
Same classification
Continue researching this drug
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Manufacturer
Viona Pharmaceuticals Inc. manufacturer profile
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Drug market
Zonisamide market comparison
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Therapeutic class
Anti-epileptic Agent class view
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Trend hub
Latest market trends
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Guide
Understanding NADAC pricing
Use the explainer when you need context on how CMS publishes NADAC and how to interpret the number on this page.
Frequently asked questions
What is the NADAC price of ZONISAMIDE 50 MG CAPSULE?
The current National Average Drug Acquisition Cost (NADAC) for ZONISAMIDE 50 MG CAPSULE, manufactured by Viona Pharmaceuticals Inc., is $0.0955 per EA (NDC 72578004101), effective Sep 30, 2026.
How has the price of ZONISAMIDE 50 MG CAPSULE changed over time?
Over the history we have for it, the NADAC for ZONISAMIDE 50 MG CAPSULE has held within roughly two percent of its current level. It has been tracked across 204 weekly CMS publications since Nov 9, 2022.
What are the highest and lowest recorded NADAC prices for ZONISAMIDE 50 MG CAPSULE?
Since Nov 9, 2022, the NADAC for ZONISAMIDE 50 MG CAPSULE has ranged from a low of $0.0679 (Jul 17, 2024) to a high of $0.1181 (Sep 13, 2023), with a median of $0.0950 per EA.
Are there cheaper alternatives to ZONISAMIDE 50 MG CAPSULE?
6 manufacturers publish a NADAC-priced product with the same active ingredient and strength as ZONISAMIDE 50 MG CAPSULE in a comparable dosage form, but none are currently priced below it.
Who manufactures ZONISAMIDE 50 MG CAPSULE?
ZONISAMIDE 50 MG CAPSULE (NDC 72578004101) is labeled by Viona Pharmaceuticals Inc., and CMS classifies it as a generic product.