Product Information
LAMOTRIGINE ER 50 MG TABLET is a generic product labeled by Dr. Reddy's Laboratories Inc., priced at $0.5242 per EA under NDC 55111071830. Its NADAC has been published 665 times since Nov 28, 2013.
FDA first approved this application on Jun 19, 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
Dr. Reddy's Laboratories Inc.NDC
55111071830
Classification
Generic
Dosage Form
TABLET, EXTENDED RELEASE
Route
ORAL
Effective Date
8/19/2026
Active Ingredients
LAMOTRIGINEApproval Type
Generic (ANDA)
FDA Application
ANDA202383FDA Approved
6/19/2013
TE Code
AB
On Market Since
6/20/2013
Pharmacological Classes
Price Statistics
The NADAC for LAMOTRIGINE ER 50 MG TABLET has been published 665 times since Nov 28, 2013, and over the history we have for it it has declined 94.1%. The table below summarizes its recorded NADAC range and movement.
| Current price | $0.5242 per EA |
|---|---|
| All-time high | $9.5320 (Apr 16, 2014) |
| All-time low | $0.4730 (Nov 20, 2024) |
| 52-week high | $0.7594 |
| 52-week low | $0.5125 |
| Median price | $2.6877 |
| Average price | $3.5628 |
| Largest weekly change | +66.9% (Aug 21, 2024) |
| Weeks tracked | 665 |
| Tracking since | Nov 28, 2013 |
Generic Alternatives
The matcher finds 9 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
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 Dr. Reddy's Laboratories Inc., is $0.5242 per EA (NDC 55111071830), effective Aug 19, 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 94.1%. It has been tracked across 665 weekly CMS publications since Nov 28, 2013.
What are the highest and lowest recorded NADAC prices for LAMOTRIGINE ER 50 MG TABLET?
Since Nov 28, 2013, the NADAC for LAMOTRIGINE ER 50 MG TABLET has ranged from a low of $0.4730 (Nov 20, 2024) to a high of $9.5320 (Apr 16, 2014), with a median of $2.6877 per EA.
Are there cheaper alternatives to LAMOTRIGINE ER 50 MG TABLET?
9 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 55111071830) is labeled by Dr. Reddy's Laboratories Inc., and CMS classifies it as a generic product.