Product Information
LAMOTRIGINE ER 50 MG TABLET is a generic product labeled by Actavis Pharma, Inc., priced at $0.5941 per EA under NDC 00228143503. Its NADAC has been published 543 times since May 11, 2016.
FDA first approved this application on Oct 17, 2013. Its Orange Book therapeutic-equivalence code is AB — FDA rates it therapeutically equivalent to (substitutable for) its reference product.
Strength
50 mg/1
Manufacturer
Actavis Pharma, Inc.NDC
00228143503
Classification
Generic
Dosage Form
TABLET, FILM COATED, EXTENDED RELEASE
Route
ORAL
Effective Date
9/23/2026
Active Ingredients
LAMOTRIGINEApproval Type
Generic (ANDA)
FDA Application
ANDA200672FDA Approved
10/17/2013
TE Code
AB
On Market Since
4/1/2016
Pharmacological Classes
Price Statistics
The NADAC for LAMOTRIGINE ER 50 MG TABLET has been published 543 times since May 11, 2016, and over the history we have for it it has declined 90.6%. The table below summarizes its recorded NADAC range and movement.
| Current price | $0.5941 per EA |
|---|---|
| All-time high | $6.9906 (Nov 16, 2016) |
| All-time low | $0.4730 (Nov 20, 2024) |
| 52-week high | $0.7246 |
| 52-week low | $0.5125 |
| Median price | $2.1906 |
| Average price | $2.4721 |
| Largest weekly change | +66.9% (Aug 21, 2024) |
| Weeks tracked | 543 |
| Tracking since | May 11, 2016 |
Generic Alternatives
The matcher finds 8 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). None of the shown alternatives sit below the current price. These are candidates to verify clinically, not guaranteed substitutes — see our generic drug prices guide.
Related Drugs
Same classification
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Manufacturer
Actavis Pharma, Inc. manufacturer profile
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Drug market
Lamotrigine market comparison
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Therapeutic class
Anti-epileptic Agent class view
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Trend hub
Latest market trends
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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 LAMOTRIGINE ER 50 MG TABLET?
The current National Average Drug Acquisition Cost (NADAC) for LAMOTRIGINE ER 50 MG TABLET, manufactured by Actavis Pharma, Inc., is $0.5941 per EA (NDC 00228143503), effective Sep 30, 2026.
How has the price of LAMOTRIGINE ER 50 MG TABLET changed over time?
Over the history we have for it, the NADAC for LAMOTRIGINE ER 50 MG TABLET has declined 90.6%. It has been tracked across 543 weekly CMS publications since May 11, 2016.
What are the highest and lowest recorded NADAC prices for LAMOTRIGINE ER 50 MG TABLET?
Since May 11, 2016, the NADAC for LAMOTRIGINE ER 50 MG TABLET has ranged from a low of $0.4730 (Nov 20, 2024) to a high of $6.9906 (Nov 16, 2016), with a median of $2.1906 per EA.
Are there cheaper alternatives to LAMOTRIGINE ER 50 MG TABLET?
8 manufacturers publish a NADAC-priced product with the same active ingredient and strength as LAMOTRIGINE ER 50 MG TABLET in a comparable dosage form, but none are currently priced below it.
Who manufactures LAMOTRIGINE ER 50 MG TABLET?
LAMOTRIGINE ER 50 MG TABLET (NDC 00228143503) is labeled by Actavis Pharma, Inc., and CMS classifies it as a generic product.