Product Information

ZAFIRLUKAST 20 MG TABLET is a generic product labeled by Camber Pharmaceuticals Inc., priced at $0.6436 per EA under NDC 31722000860. Its NADAC has been published 300 times since Nov 25, 2020.

FDA first approved this application on Sep 10, 2020. Its Orange Book therapeutic-equivalence code is AB — FDA rates it therapeutically equivalent to (substitutable for) its reference product.

ZAFIRLUKAST 20 MG TABLET

Zafirlukast
$0.6436per EA

Strength

20 mg/1

NDC

31722000860

Classification

Generic

Dosage Form

TABLET, FILM COATED

Route

ORAL

Effective Date

8/19/2026

Active Ingredients

ZAFIRLUKAST

Approval Type

Generic (ANDA)

FDA Application

ANDA212475

FDA Approved

9/10/2020

TE Code

AB

On Market Since

9/10/2020

Pharmacological Classes

Cytochrome P450 2C9 Inhibitors
Leukotriene Receptor Antagonist
Leukotriene Receptor Antagonists

Price Statistics

The NADAC for ZAFIRLUKAST 20 MG TABLET has been published 300 times since Nov 25, 2020, and over the history we have for it it has declined 42.7%. The table below summarizes its recorded NADAC range and movement.

Current price$0.6436 per EA
All-time high$1.1439 (Feb 10, 2021)
All-time low$0.4512 (Nov 20, 2024)
52-week high$0.6852
52-week low$0.6359
Median price$0.8179
Average price$0.8192
Largest weekly change-33.6% (Nov 20, 2024)
Weeks tracked300
Tracking sinceNov 25, 2020

Price History

1W

+1.2%

1M

+1.2%

3M

-3.3%

6M

-1.3%

1Y

-4.5%

3Y

-21.1%

5Y

-38.3%

All

-42.7%

Generic Alternatives

The matcher finds 3 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 ZAFIRLUKAST 20 MG TABLET?

The current National Average Drug Acquisition Cost (NADAC) for ZAFIRLUKAST 20 MG TABLET, manufactured by Camber Pharmaceuticals Inc., is $0.6436 per EA (NDC 31722000860), effective Aug 19, 2026.

How has the price of ZAFIRLUKAST 20 MG TABLET changed over time?

Over the history we have for it, the NADAC for ZAFIRLUKAST 20 MG TABLET has declined 42.7%. It has been tracked across 300 weekly CMS publications since Nov 25, 2020.

What are the highest and lowest recorded NADAC prices for ZAFIRLUKAST 20 MG TABLET?

Since Nov 25, 2020, the NADAC for ZAFIRLUKAST 20 MG TABLET has ranged from a low of $0.4512 (Nov 20, 2024) to a high of $1.1439 (Feb 10, 2021), with a median of $0.8179 per EA.

Are there cheaper alternatives to ZAFIRLUKAST 20 MG TABLET?

3 manufacturers publish a NADAC-priced product with the same active ingredient and strength as ZAFIRLUKAST 20 MG TABLET in a comparable dosage form, but none are currently priced below it.

Who manufactures ZAFIRLUKAST 20 MG TABLET?

ZAFIRLUKAST 20 MG TABLET (NDC 31722000860) is labeled by Camber Pharmaceuticals Inc., and CMS classifies it as a generic product.