Product Information
TOPIRAMATE ER 25 MG CAPSULE is a generic product labeled by Dr. Reddy's Laboratories Inc., priced at $4.1399 per EA under NDC 43598093930. Its NADAC has been published 32 times since Feb 25, 2026.
FDA first approved this application on Nov 17, 2023. Its Orange Book therapeutic-equivalence code is AB1 — FDA rates it therapeutically equivalent to (substitutable for) its reference product.
Strength
25 mg/1
Manufacturer
Dr. Reddy's Laboratories Inc.NDC
43598093930
Classification
Generic
Dosage Form
CAPSULE, EXTENDED RELEASE
Route
ORAL
Effective Date
9/23/2026
Active Ingredients
TOPIRAMATEApproval Type
Generic (ANDA)
FDA Application
ANDA217231FDA Approved
11/17/2023
TE Code
AB1
On Market Since
2/1/2026
Pharmacological Classes
Price Statistics
The NADAC for TOPIRAMATE ER 25 MG CAPSULE has been published 32 times since Feb 25, 2026, and over the history we have for it it has risen 8.5%. The table below summarizes its recorded NADAC range and movement.
| Current price | $4.1399 per EA |
|---|---|
| All-time high | $4.2076 (Sep 16, 2026) |
| All-time low | $3.7241 (Mar 18, 2026) |
| 52-week high | $4.2076 |
| 52-week low | $3.7241 |
| Median price | $3.8223 |
| Average price | $3.9154 |
| Largest weekly change | +7.7% (Jul 22, 2026) |
| Weeks tracked | 32 |
| Tracking since | Feb 25, 2026 |
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). Switching to the cheapest would cut per-unit acquisition cost by roughly 94% 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
Use these direct paths to move from a single NDC into the surrounding market, manufacturer, class, and trend context.
Manufacturer
Dr. Reddy's Laboratories Inc. manufacturer profile
See the full portfolio, pricing trend, and other products from this labeler.
Drug market
Topiramate market comparison
Compare this molecule across participating manufacturers and inspect the broader market price spread.
Trend hub
Latest market trends
Zoom back out to the weekly mover view and compare this NDC with the rest of the current NADAC release.
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 TOPIRAMATE ER 25 MG CAPSULE?
The current National Average Drug Acquisition Cost (NADAC) for TOPIRAMATE ER 25 MG CAPSULE, manufactured by Dr. Reddy's Laboratories Inc., is $4.1399 per EA (NDC 43598093930), effective Sep 30, 2026.
How has the price of TOPIRAMATE ER 25 MG CAPSULE changed over time?
Over the history we have for it, the NADAC for TOPIRAMATE ER 25 MG CAPSULE has risen 8.5%. It has been tracked across 32 weekly CMS publications since Feb 25, 2026.
What are the highest and lowest recorded NADAC prices for TOPIRAMATE ER 25 MG CAPSULE?
Since Feb 25, 2026, the NADAC for TOPIRAMATE ER 25 MG CAPSULE has ranged from a low of $3.7241 (Mar 18, 2026) to a high of $4.2076 (Sep 16, 2026), with a median of $3.8223 per EA.
Are there cheaper alternatives to TOPIRAMATE ER 25 MG CAPSULE?
Yes. 6 manufacturers publish a NADAC-priced product with the same active ingredient and strength in a comparable dosage form. The lowest-priced option, TOPIRAMATE 25 MG SPRINKLE CAP, is $0.2459 per EA — about 94% below TOPIRAMATE ER 25 MG CAPSULE.
Who manufactures TOPIRAMATE ER 25 MG CAPSULE?
TOPIRAMATE ER 25 MG CAPSULE (NDC 43598093930) is labeled by Dr. Reddy's Laboratories Inc., and CMS classifies it as a generic product.