Product Information
METAXALONE 400 MG TABLET is a generic product labeled by Amneal Pharmaceuticals of New York LLC, priced at $2.5929 per EA under NDC 00115174501. Its NADAC has been published 255 times since May 22, 2019.
FDA first approved this application on Feb 27, 2015. Its Orange Book therapeutic-equivalence code is AB — FDA rates it therapeutically equivalent to (substitutable for) its reference product.
The High Outlier badge above means this manufacturer's average price in the Metaxalone 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
400 mg/1
Manufacturer
Amneal Pharmaceuticals of New York LLCNDC
00115174501
Classification
Generic
Dosage Form
TABLET
Route
ORAL
Effective Date
9/23/2026
Active Ingredients
METAXALONEApproval Type
Generic (ANDA)
FDA Application
ANDA040486FDA Approved
2/27/2015
TE Code
AB
On Market Since
5/26/2016
Pharmacological Classes
Price Statistics
The NADAC for METAXALONE 400 MG TABLET has been published 255 times since May 22, 2019, and over the history we have for it it has declined 45.4%. The table below summarizes its recorded NADAC range and movement.
| Current price | $2.5929 per EA |
|---|---|
| All-time high | $4.7450 (Oct 16, 2019) |
| All-time low | $2.5798 (Nov 20, 2024) |
| 52-week high | $2.8415 |
| 52-week low | $2.5929 |
| Median price | $3.8498 |
| Average price | $3.6412 |
| Largest weekly change | -18.1% (Sep 21, 2022) |
| Weeks tracked | 255 |
| Tracking since | May 22, 2019 |
Generic Alternatives
The matcher finds 1 manufacturer 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
Amneal Pharmaceuticals of New York LLC manufacturer profile
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Drug market
Metaxalone market comparison
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Therapeutic class
Muscle Relaxant 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 METAXALONE 400 MG TABLET?
The current National Average Drug Acquisition Cost (NADAC) for METAXALONE 400 MG TABLET, manufactured by Amneal Pharmaceuticals of New York LLC, is $2.5929 per EA (NDC 00115174501), effective Sep 30, 2026.
How has the price of METAXALONE 400 MG TABLET changed over time?
Over the history we have for it, the NADAC for METAXALONE 400 MG TABLET has declined 45.4%. It has been tracked across 255 weekly CMS publications since May 22, 2019.
What are the highest and lowest recorded NADAC prices for METAXALONE 400 MG TABLET?
Since May 22, 2019, the NADAC for METAXALONE 400 MG TABLET has ranged from a low of $2.5798 (Nov 20, 2024) to a high of $4.7450 (Oct 16, 2019), with a median of $3.8498 per EA.
Are there cheaper alternatives to METAXALONE 400 MG TABLET?
1 manufacturer publishes a NADAC-priced product with the same active ingredient and strength as METAXALONE 400 MG TABLET in a comparable dosage form, but none are currently priced below it.
Who manufactures METAXALONE 400 MG TABLET?
METAXALONE 400 MG TABLET (NDC 00115174501) is labeled by Amneal Pharmaceuticals of New York LLC, and CMS classifies it as a generic product.