Product Information

ZILEUTON ER 600 MG TABLET is a generic product labeled by Rising Pharma Holdings Inc., priced at $2.0656 per EA under NDC 64980020612. Its NADAC has been published 349 times since Jul 18, 2018.

FDA first approved this application on Mar 17, 2017. Its Orange Book therapeutic-equivalence code is AB — FDA rates it therapeutically equivalent to (substitutable for) its reference product.

ZILEUTON ER 600 MG TABLET

Zileuton
$2.0656per EA

Strength

600 mg/1

NDC

64980020612

Classification

Generic

Dosage Form

TABLET, EXTENDED RELEASE

Route

ORAL

Effective Date

8/19/2026

Active Ingredients

ZILEUTON

Approval Type

Generic (ANDA)

FDA Application

ANDA204929

FDA Approved

3/17/2017

TE Code

AB

On Market Since

3/21/2017

Pharmacological Classes

5-Lipoxygenase Inhibitor
5-Lipoxygenase Inhibitors
Decreased Leukotriene Production

Price Statistics

The NADAC for ZILEUTON ER 600 MG TABLET has been published 349 times since Jul 18, 2018, and over the history we have for it it has declined 91.8%. The table below summarizes its recorded NADAC range and movement.

Current price$2.0656 per EA
All-time high$25.1068 (Oct 10, 2018)
All-time low$1.9211 (Jun 17, 2026)
52-week high$3.0625
52-week low$1.9211
Median price$10.0166
Average price$12.1373
Largest weekly change-36.1% (Apr 17, 2024)
Weeks tracked349
Tracking sinceJul 18, 2018

Price History

1W

+5.6%

1M

+5.6%

3M

+4.4%

6M

-17.3%

1Y

-22.2%

3Y

-79.4%

5Y

-86.3%

All

-91.8%

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.

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 Rising Pharma Holdings Inc., is $2.0656 per EA (NDC 64980020612), 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 91.8%. It has been tracked across 349 weekly CMS publications since Jul 18, 2018.

What are the highest and lowest recorded NADAC prices for ZILEUTON ER 600 MG TABLET?

Since Jul 18, 2018, the NADAC for ZILEUTON ER 600 MG TABLET has ranged from a low of $1.9211 (Jun 17, 2026) to a high of $25.1068 (Oct 10, 2018), with a median of $10.0166 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 64980020612) is labeled by Rising Pharma Holdings Inc., and CMS classifies it as a generic product.