Product Information

TOPIRAMATE ER 100 MG CAPSULE is a generic product labeled by Zydus Pharmaceuticals (USA) Inc., priced at $10.6752 per EA under NDC 68382076906. Its NADAC has been published 185 times since Mar 22, 2023.

FDA first approved this application on Nov 24, 2017. Its Orange Book therapeutic-equivalence code is AB1 — FDA rates it therapeutically equivalent to (substitutable for) its reference product.

TOPIRAMATE ER 100 MG CAPSULE

Topiramate
$10.6752per EA

Strength

100 mg/1

NDC

68382076906

Classification

Generic

Dosage Form

CAPSULE, EXTENDED RELEASE

Route

ORAL

Effective Date

9/23/2026

Active Ingredients

TOPIRAMATE

Approval Type

Generic (ANDA)

FDA Application

ANDA207382

FDA Approved

11/24/2017

TE Code

AB1

On Market Since

9/10/2024

Pharmacological Classes

Cytochrome P450 2C19 Inhibitors
Cytochrome P450 3A4 Inducers
Decreased Central Nervous System Disorganized Electrical Activity

Price Statistics

The NADAC for TOPIRAMATE ER 100 MG CAPSULE has been published 185 times since Mar 22, 2023, and over the history we have for it it has declined 57.2%. The table below summarizes its recorded NADAC range and movement.

Current price$10.6752 per EA
All-time high$25.3872 (Jul 12, 2023)
All-time low$10.2003 (Aug 19, 2026)
52-week high$13.4017
52-week low$10.2003
Median price$13.7322
Average price$15.5273
Largest weekly change+38.3% (Aug 21, 2024)
Weeks tracked185
Tracking sinceMar 22, 2023

Price History

1W

0.0%

1M

+4.7%

3M

-0.8%

6M

-13.4%

1Y

-16.9%

3Y

-41.6%

5Y

N/A

All

-57.2%

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 49% at current NADAC. These are candidates to verify clinically, not guaranteed substitutes — see our generic drug prices guide.

Continue researching this drug

Use these direct paths to move from a single NDC into the surrounding market, manufacturer, class, and trend context.

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 Zydus Pharmaceuticals (USA) Inc., is $10.6752 per EA (NDC 68382076906), 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 57.2%. It has been tracked across 185 weekly CMS publications since Mar 22, 2023.

What are the highest and lowest recorded NADAC prices for TOPIRAMATE ER 100 MG CAPSULE?

Since Mar 22, 2023, the NADAC for TOPIRAMATE ER 100 MG CAPSULE has ranged from a low of $10.2003 (Aug 19, 2026) to a high of $25.3872 (Jul 12, 2023), with a median of $13.7322 per EA.

Are there cheaper alternatives to TOPIRAMATE ER 100 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 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 68382076906) is labeled by Zydus Pharmaceuticals (USA) Inc., and CMS classifies it as a generic product.