Product Information
ZONISAMIDE 25 MG CAPSULE is a generic product labeled by Unichem Pharmaceuticals (USA) Inc., priced at $0.0620 per EA under NDC 29300042801. Its NADAC has been published 251 times since Jul 21, 2021.
FDA first approved this application on Jan 26, 2021. Its Orange Book therapeutic-equivalence code is AB — FDA rates it therapeutically equivalent to (substitutable for) its reference product.
Strength
25 mg/1
Manufacturer
Unichem Pharmaceuticals (USA) Inc.NDC
29300042801
Classification
Generic
Dosage Form
CAPSULE
Route
ORAL
Effective Date
8/19/2026
Active Ingredients
ZONISAMIDEApproval Type
Generic (ANDA)
FDA Application
ANDA214492FDA Approved
1/26/2021
TE Code
AB
On Market Since
7/9/2021
Pharmacological Classes
Price Statistics
The NADAC for ZONISAMIDE 25 MG CAPSULE has been published 251 times since Jul 21, 2021, and over the history we have for it it has declined 43.0%. The table below summarizes its recorded NADAC range and movement.
| Current price | $0.0620 per EA |
|---|---|
| All-time high | $0.1089 (Aug 11, 2021) |
| All-time low | $0.0494 (Jul 17, 2024) |
| 52-week high | $0.0706 |
| 52-week low | $0.0572 |
| Median price | $0.0736 |
| Average price | $0.0731 |
| Largest weekly change | +48.9% (Aug 21, 2024) |
| Weeks tracked | 251 |
| Tracking since | Jul 21, 2021 |
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). 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
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 $0.0620 per EA (NDC 29300042801), effective Aug 19, 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 43.0%. It has been tracked across 251 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 manufacturers publish a NADAC-priced product with the same active ingredient and strength as ZONISAMIDE 25 MG CAPSULE in a comparable dosage form, 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.