Product Information
TOPIRAMATE 25 MG TABLET is a generic product labeled by Unichem Pharmaceuticals (USA) Inc., priced at $0.0256 per EA under NDC 29300011505. Its NADAC has been published 560 times since Dec 2, 2015.
FDA first approved this application on Mar 27, 2009. 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
29300011505
Classification
Generic
Dosage Form
TABLET, FILM COATED
Route
ORAL
Effective Date
8/19/2026
Active Ingredients
TOPIRAMATEApproval Type
Generic (ANDA)
FDA Application
ANDA090162FDA Approved
3/27/2009
TE Code
AB
On Market Since
7/1/2013
Pharmacological Classes
Price Statistics
The NADAC for TOPIRAMATE 25 MG TABLET has been published 560 times since Dec 2, 2015, and over the history we have for it it has declined 31.9%. The table below summarizes its recorded NADAC range and movement.
| Current price | $0.0256 per EA |
|---|---|
| All-time high | $0.0391 (Sep 14, 2016) |
| All-time low | $0.0221 (Jul 17, 2024) |
| 52-week high | $0.0270 |
| 52-week low | $0.0254 |
| Median price | $0.0327 |
| Average price | $0.0315 |
| Largest weekly change | -29.1% (Jul 17, 2024) |
| Weeks tracked | 560 |
| Tracking since | Dec 2, 2015 |
Generic Alternatives
The matcher finds 5 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 TOPIRAMATE 25 MG TABLET?
The current National Average Drug Acquisition Cost (NADAC) for TOPIRAMATE 25 MG TABLET, manufactured by Unichem Pharmaceuticals (USA) Inc., is $0.0256 per EA (NDC 29300011505), effective Aug 19, 2026.
How has the price of TOPIRAMATE 25 MG TABLET changed over time?
Over the history we have for it, the NADAC for TOPIRAMATE 25 MG TABLET has declined 31.9%. It has been tracked across 560 weekly CMS publications since Dec 2, 2015.
What are the highest and lowest recorded NADAC prices for TOPIRAMATE 25 MG TABLET?
Since Dec 2, 2015, the NADAC for TOPIRAMATE 25 MG TABLET has ranged from a low of $0.0221 (Jul 17, 2024) to a high of $0.0391 (Sep 14, 2016), with a median of $0.0327 per EA.
Are there cheaper alternatives to TOPIRAMATE 25 MG TABLET?
5 manufacturers publish a NADAC-priced product with the same active ingredient and strength as TOPIRAMATE 25 MG TABLET in a comparable dosage form, but none are currently priced below it.
Who manufactures TOPIRAMATE 25 MG TABLET?
TOPIRAMATE 25 MG TABLET (NDC 29300011505) is labeled by Unichem Pharmaceuticals (USA) Inc., and CMS classifies it as a generic product.