Product Information
LAMICTAL XR 100 MG TABLET is a brand product labeled by GlaxoSmithKline LLC, priced at $30.4204 per EA under NDC 00173075600. Its NADAC has been published 655 times since Nov 28, 2013.
The High Outlier badge above means this manufacturer's average price in the lamotrigine market falls above Q3 + 1.5·IQR across all competing manufacturers. We only apply this flag in markets with four or more competitors. Full definition: glossary → outlier.
Strength
100 mg/1
Manufacturer
GlaxoSmithKline LLCNDC
00173075600
Classification
Brand
Dosage Form
TABLET, FILM COATED, EXTENDED RELEASE
Route
ORAL
Last Updated
6/17/2026
Active Ingredients
LAMOTRIGINEApproval Type
New Drug (NDA)
FDA Application
NDA022115On Market Since
7/6/2009
Pharmacological Classes
Price Statistics
The NADAC for LAMICTAL XR 100 MG TABLET has been published 655 times since Nov 28, 2013, and over the history we have for it it has risen 141.2%. The table below summarizes its recorded NADAC range and movement.
| Current price | $30.4204 per EA |
|---|---|
| All-time high | $30.4553 (Jun 10, 2026) |
| All-time low | $12.5113 (Feb 19, 2014) |
| 52-week high | $30.4553 |
| 52-week low | $29.5040 |
| Median price | $23.7302 |
| Average price | $23.2757 |
| Largest weekly change | +15.0% (Dec 30, 2015) |
| Weeks tracked | 655 |
| Tracking since | Nov 28, 2013 |
Generic Alternatives
The matcher finds 1 NADAC-published product sharing this drug's active ingredient, strength, and dosage form across 1 manufacturer (up to 10 shown below). Switching to the cheapest would cut per-unit acquisition cost by roughly 64% 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 LAMICTAL XR 100 MG TABLET?
The current National Average Drug Acquisition Cost (NADAC) for LAMICTAL XR 100 MG TABLET, manufactured by GlaxoSmithKline LLC, is $30.4204 per EA (NDC 00173075600), effective Jun 24, 2026.
How has the price of LAMICTAL XR 100 MG TABLET changed over time?
Over the history we have for it, the NADAC for LAMICTAL XR 100 MG TABLET has risen 141.2%. It has been tracked across 655 weekly CMS publications since Nov 28, 2013.
What are the highest and lowest recorded NADAC prices for LAMICTAL XR 100 MG TABLET?
Since Nov 28, 2013, the NADAC for LAMICTAL XR 100 MG TABLET has ranged from a low of $12.5113 (Feb 19, 2014) to a high of $30.4553 (Jun 10, 2026), with a median of $23.7302 per EA.
Are there cheaper alternatives to LAMICTAL XR 100 MG TABLET?
Yes. 1 NADAC-published product shares the same active ingredient, strength, and dosage form. The lowest-priced option, LAMICTAL 100 MG TABLET, is $10.9158 per EA — about 64% below LAMICTAL XR 100 MG TABLET.
Who manufactures LAMICTAL XR 100 MG TABLET?
LAMICTAL XR 100 MG TABLET (NDC 00173075600) is labeled by GlaxoSmithKline LLC, and CMS classifies it as a brand product.
Related Drugs
Same classification