Product Information
TOPIRAMATE ER 100 MG CAPSULE is a generic product labeled by Dr. Reddy's Laboratories Inc., priced at $10.6752 per EA under NDC 43598094130. 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
100 mg/1
Manufacturer
Dr. Reddy's Laboratories Inc.NDC
43598094130
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 100 MG CAPSULE has been published 32 times since Feb 25, 2026, and over the history we have for it it has declined 14.2%. The table below summarizes its recorded NADAC range and movement.
| Current price | $10.6752 per EA |
|---|---|
| All-time high | $12.4431 (Mar 11, 2026) |
| All-time low | $10.2003 (Aug 19, 2026) |
| 52-week high | $12.4431 |
| 52-week low | $10.2003 |
| Median price | $11.1587 |
| Average price | $11.2424 |
| Largest weekly change | -7.2% (Jun 17, 2026) |
| Weeks tracked | 32 |
| Tracking since | Feb 25, 2026 |
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). Switching to the cheapest would cut per-unit acquisition cost by roughly 49% at current NADAC. These are candidates to verify clinically, not guaranteed substitutes — see our generic drug prices guide.
Related Drugs
Same classification
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Manufacturer
Dr. Reddy's Laboratories Inc. manufacturer profile
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Drug market
Topiramate market comparison
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Trend hub
Latest market trends
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Guide
Understanding NADAC pricing
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Frequently asked questions
What is the NADAC price of TOPIRAMATE ER 100 MG CAPSULE?
The current National Average Drug Acquisition Cost (NADAC) for TOPIRAMATE ER 100 MG CAPSULE, manufactured by Dr. Reddy's Laboratories Inc., is $10.6752 per EA (NDC 43598094130), effective Sep 30, 2026.
How has the price of TOPIRAMATE ER 100 MG CAPSULE changed over time?
Over the history we have for it, the NADAC for TOPIRAMATE ER 100 MG CAPSULE has declined 14.2%. 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 100 MG CAPSULE?
Since Feb 25, 2026, the NADAC for TOPIRAMATE ER 100 MG CAPSULE has ranged from a low of $10.2003 (Aug 19, 2026) to a high of $12.4431 (Mar 11, 2026), with a median of $11.1587 per EA.
Are there cheaper alternatives to TOPIRAMATE ER 100 MG CAPSULE?
Yes. 5 manufacturers publish a NADAC-priced product with the same active ingredient and strength in a comparable dosage form. The lowest-priced option, TOPIRAMATE ER 100 MG SPRINK CAP, is $5.4921 per EA — about 49% below TOPIRAMATE ER 100 MG CAPSULE.
Who manufactures TOPIRAMATE ER 100 MG CAPSULE?
TOPIRAMATE ER 100 MG CAPSULE (NDC 43598094130) is labeled by Dr. Reddy's Laboratories Inc., and CMS classifies it as a generic product.