Product Information
LAMOTRIGINE ER 100 MG TABLET is a generic product labeled by Zydus Pharmaceuticals (USA) Inc., priced at $0.6219 per EA under NDC 68382098106. Its NADAC has been published 305 times since Oct 21, 2020.
FDA first approved this application on Apr 1, 2020. Its Orange Book therapeutic-equivalence code is AB — FDA rates it therapeutically equivalent to (substitutable for) its reference product.
Strength
100 mg/1
Manufacturer
Zydus Pharmaceuticals (USA) Inc.NDC
68382098106
Classification
Generic
Dosage Form
TABLET, EXTENDED RELEASE
Route
ORAL
Effective Date
8/19/2026
Active Ingredients
LAMOTRIGINEApproval Type
Generic (ANDA)
FDA Application
ANDA207763FDA Approved
4/1/2020
TE Code
AB
On Market Since
5/14/2020
Pharmacological Classes
Price Statistics
The NADAC for LAMOTRIGINE ER 100 MG TABLET has been published 305 times since Oct 21, 2020, and over the history we have for it it has declined 66.1%. The table below summarizes its recorded NADAC range and movement.
| Current price | $0.6219 per EA |
|---|---|
| All-time high | $2.2965 (Jan 13, 2021) |
| All-time low | $0.5418 (Nov 20, 2024) |
| 52-week high | $0.7890 |
| 52-week low | $0.6087 |
| Median price | $0.9919 |
| Average price | $1.1294 |
| Largest weekly change | +51.0% (Oct 18, 2023) |
| Weeks tracked | 305 |
| Tracking since | Oct 21, 2020 |
Generic Alternatives
The matcher finds 18 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 92% at current NADAC. 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 LAMOTRIGINE ER 100 MG TABLET?
The current National Average Drug Acquisition Cost (NADAC) for LAMOTRIGINE ER 100 MG TABLET, manufactured by Zydus Pharmaceuticals (USA) Inc., is $0.6219 per EA (NDC 68382098106), effective Aug 19, 2026.
How has the price of LAMOTRIGINE ER 100 MG TABLET changed over time?
Over the history we have for it, the NADAC for LAMOTRIGINE ER 100 MG TABLET has declined 66.1%. It has been tracked across 305 weekly CMS publications since Oct 21, 2020.
What are the highest and lowest recorded NADAC prices for LAMOTRIGINE ER 100 MG TABLET?
Since Oct 21, 2020, the NADAC for LAMOTRIGINE ER 100 MG TABLET has ranged from a low of $0.5418 (Nov 20, 2024) to a high of $2.2965 (Jan 13, 2021), with a median of $0.9919 per EA.
Are there cheaper alternatives to LAMOTRIGINE ER 100 MG TABLET?
Yes. 18 manufacturers publish a NADAC-priced product with the same active ingredient and strength in a comparable dosage form. The lowest-priced option, LAMOTRIGINE 100 MG TABLET, is $0.0487 per EA — about 92% below LAMOTRIGINE ER 100 MG TABLET.
Who manufactures LAMOTRIGINE ER 100 MG TABLET?
LAMOTRIGINE ER 100 MG TABLET (NDC 68382098106) is labeled by Zydus Pharmaceuticals (USA) Inc., and CMS classifies it as a generic product.