Product Information
ZILEUTON ER 600 MG TABLET is a generic product labeled by Camber Pharmaceuticals Inc., priced at $2.0656 per EA under NDC 31722004412. Its NADAC has been published 147 times since Jun 7, 2023.
FDA first approved this application on Oct 11, 2022. Its Orange Book therapeutic-equivalence code is AB — FDA rates it therapeutically equivalent to (substitutable for) its reference product.
Strength
600 mg/1
Manufacturer
Camber Pharmaceuticals Inc.NDC
31722004412
Classification
Generic
Dosage Form
TABLET, FILM COATED, EXTENDED RELEASE
Route
ORAL
Effective Date
8/19/2026
Active Ingredients
ZILEUTONApproval Type
Generic (ANDA)
FDA Application
ANDA215742FDA Approved
10/11/2022
TE Code
AB
On Market Since
10/11/2022
Pharmacological Classes
Price Statistics
The NADAC for ZILEUTON ER 600 MG TABLET has been published 147 times since Jun 7, 2023, and over the history we have for it it has declined 79.4%. The table below summarizes its recorded NADAC range and movement.
| Current price | $2.0656 per EA |
|---|---|
| All-time high | $10.0166 (Nov 15, 2023) |
| All-time low | $1.9211 (Jun 17, 2026) |
| 52-week high | $3.0625 |
| 52-week low | $1.9211 |
| Median price | $4.2151 |
| Average price | $4.7650 |
| Largest weekly change | -36.1% (Apr 17, 2024) |
| Weeks tracked | 147 |
| Tracking since | Jun 7, 2023 |
Generic Alternatives
The matcher finds 2 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 ZILEUTON ER 600 MG TABLET?
The current National Average Drug Acquisition Cost (NADAC) for ZILEUTON ER 600 MG TABLET, manufactured by Camber Pharmaceuticals Inc., is $2.0656 per EA (NDC 31722004412), effective Aug 19, 2026.
How has the price of ZILEUTON ER 600 MG TABLET changed over time?
Over the history we have for it, the NADAC for ZILEUTON ER 600 MG TABLET has declined 79.4%. It has been tracked across 147 weekly CMS publications since Jun 7, 2023.
What are the highest and lowest recorded NADAC prices for ZILEUTON ER 600 MG TABLET?
Since Jun 7, 2023, the NADAC for ZILEUTON ER 600 MG TABLET has ranged from a low of $1.9211 (Jun 17, 2026) to a high of $10.0166 (Nov 15, 2023), with a median of $4.2151 per EA.
Are there cheaper alternatives to ZILEUTON ER 600 MG TABLET?
2 manufacturers publish a NADAC-priced product with the same active ingredient and strength as ZILEUTON ER 600 MG TABLET in a comparable dosage form, but none are currently priced below it.
Who manufactures ZILEUTON ER 600 MG TABLET?
ZILEUTON ER 600 MG TABLET (NDC 31722004412) is labeled by Camber Pharmaceuticals Inc., and CMS classifies it as a generic product.