Product Information
ZONISAMIDE 25 MG CAPSULE is a generic product labeled by Exelan Pharmaceuticals Inc., priced at $0.0655 per EA under NDC 76282022601. Its NADAC has been published 195 times since Jan 11, 2023.
FDA first approved this application on May 31, 2006. Its Orange Book therapeutic-equivalence code is AB — FDA rates it therapeutically equivalent to (substitutable for) its reference product.
Strength
25 mg/1
Manufacturer
Exelan Pharmaceuticals Inc.NDC
76282022601
Classification
Generic
Dosage Form
CAPSULE
Route
ORAL
Effective Date
9/23/2026
Active Ingredients
ZONISAMIDEApproval Type
Generic (ANDA)
FDA Application
ANDA077869FDA Approved
5/31/2006
TE Code
AB
On Market Since
3/15/2021
Pharmacological Classes
Price Statistics
The NADAC for ZONISAMIDE 25 MG CAPSULE has been published 195 times since Jan 11, 2023, and over the history we have for it it has declined 21.1%. The table below summarizes its recorded NADAC range and movement.
| Current price | $0.0655 per EA |
|---|---|
| All-time high | $0.0841 (Feb 14, 2024) |
| All-time low | $0.0494 (Jul 17, 2024) |
| 52-week high | $0.0655 |
| 52-week low | $0.0572 |
| Median price | $0.0717 |
| Average price | $0.0694 |
| Largest weekly change | +48.9% (Aug 21, 2024) |
| Weeks tracked | 195 |
| Tracking since | Jan 11, 2023 |
Generic Alternatives
The matcher finds 7 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). Switching to the cheapest would cut per-unit acquisition cost by roughly 5% at current NADAC. 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
Exelan 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 25 MG CAPSULE?
The current National Average Drug Acquisition Cost (NADAC) for ZONISAMIDE 25 MG CAPSULE, manufactured by Exelan Pharmaceuticals Inc., is $0.0655 per EA (NDC 76282022601), effective Sep 30, 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 21.1%. It has been tracked across 195 weekly CMS publications since Jan 11, 2023.
What are the highest and lowest recorded NADAC prices for ZONISAMIDE 25 MG CAPSULE?
Since Jan 11, 2023, the NADAC for ZONISAMIDE 25 MG CAPSULE has ranged from a low of $0.0494 (Jul 17, 2024) to a high of $0.0841 (Feb 14, 2024), with a median of $0.0717 per EA.
Are there cheaper alternatives to ZONISAMIDE 25 MG CAPSULE?
Yes. 7 manufacturers publish a NADAC-priced product with the same active ingredient and strength in a comparable dosage form. The lowest-priced option, ZONISAMIDE 25 MG CAPSULE, is $0.0620 per EA — about 5% below ZONISAMIDE 25 MG CAPSULE.
Who manufactures ZONISAMIDE 25 MG CAPSULE?
ZONISAMIDE 25 MG CAPSULE (NDC 76282022601) is labeled by Exelan Pharmaceuticals Inc., and CMS classifies it as a generic product.