Product Information

TOPIRAMATE ER 100 MG CAPSULE is a generic product labeled by Endo USA Inc., priced at $10.2003 per EA under NDC 10370036711. Its NADAC has been published 164 times since Jul 5, 2023.

FDA first approved this application on Mar 1, 2023. 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
$10.2003per EA

Strength

100 mg/1

Manufacturer

Endo USA Inc.

NDC

10370036711

Classification

Generic

Dosage Form

CAPSULE, EXTENDED RELEASE

Route

ORAL

Effective Date

8/19/2026

Active Ingredients

TOPIRAMATE

Approval Type

Generic (ANDA)

FDA Application

ANDA205976

FDA Approved

3/1/2023

TE Code

AB1

On Market Since

5/24/2023

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 164 times since Jul 5, 2023, and over the history we have for it it has declined 59.8%. The table below summarizes its recorded NADAC range and movement.

Current price$10.2003 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$13.4788
Average price$14.8260
Largest weekly change+38.3% (Aug 21, 2024)
Weeks tracked164
Tracking sinceJul 5, 2023

Price History

1W

-2.9%

1M

-2.9%

3M

-12.0%

6M

-18.0%

1Y

-18.4%

3Y

-58.2%

5Y

N/A

All

-59.8%

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 47% at current NADAC. These are candidates to verify clinically, not guaranteed substitutes — see our generic drug prices guide.

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 Endo USA Inc., is $10.2003 per EA (NDC 10370036711), effective Aug 19, 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 59.8%. It has been tracked across 164 weekly CMS publications since Jul 5, 2023.

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

Since Jul 5, 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 $13.4788 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 $5.3819 per EA — about 47% below TOPIRAMATE ER 100 MG CAPSULE.

Who manufactures TOPIRAMATE ER 100 MG CAPSULE?

TOPIRAMATE ER 100 MG CAPSULE (NDC 10370036711) is labeled by Endo USA Inc., and CMS classifies it as a generic product.