Zafirlukast
9 NDCs across 5 manufacturers|9 Generic,0 Brand
Zafirlukast is used to treat asthma, per the National Library of Medicine's MED-RT classification.
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The brand product was first FDA-approved on Sep 26, 1996, and the first generic was approved Nov 18, 2010. FDA's Orange Book lists 10 AB-rated (therapeutically equivalent) products for this ingredient. In 2024, Medicare Part D spent $7 million on Zafirlukast across 66,000 claims for 16,000 beneficiaries.
Zafirlukast is available as 9 NDCs from 5 manufacturers (9 generic, 0 brand), with NADAC prices from $0.53 to $0.64 per EA — a 22% difference between cheapest and most expensive. Every pack size and labeler in this drug market is compared side-by-side below.
Total NDCs
9
9G / 0B
Manufacturers
5
competing in market
Price Spread
$0.53 – $0.64
per EA
7d Activity
avg -0.1% WoW · of 9 NDCs
Market Price Trend
Monthly average NADAC per unit, split by generic and brand.
Manufacturer Breakdown
5 manufacturers producing ZAFIRLUKAST(1 pricing outlier)
| Drug ↕ | Price | 7d Change ↕ |
|---|---|---|
ZAFIRLUKAST 20 MG TABLET | $0.6436 per EA | +1.21% |
ZAFIRLUKAST 20 MG TABLET | $0.6436 per EA | +1.21% |
ZAFIRLUKAST 20 MG TABLET | $0.6436 per EA | +1.21% |
ZAFIRLUKAST 20 MG TABLET | $0.6436 per EA | +1.21% |
ZAFIRLUKAST 20 MG TABLET | $0.6436 per EA | +1.21% |
ZAFIRLUKAST 10 MG TABLET | $0.5295 per EA | -1.68% |
ZAFIRLUKAST 10 MG TABLET | $0.5295 per EA | -1.68% |
ZAFIRLUKAST 10 MG TABLET | $0.5295 per EA | -1.68% |
ZAFIRLUKAST 10 MG TABLET | $0.5295 per EA | -1.68% |
Frequently Asked Questions
What is Zafirlukast used to treat?
Zafirlukast is used to treat asthma, per the National Library of Medicine's MED-RT classification.
When did Zafirlukast become available as a generic?
FDA approved the first generic Zafirlukast (ANDA) on Nov 18, 2010. The Orange Book currently lists 10 AB-rated products for this ingredient, meaning FDA considers them therapeutically equivalent to the brand.
How much does Medicare spend on Zafirlukast?
In 2024, Medicare Part D spent $7 million on Zafirlukast across 66,000 claims for 16,000 beneficiaries.
How many Zafirlukast products are on the market?
The Zafirlukast drug market contains 9 NDCs from 5 manufacturers — 9 generic and 0 brand products.
What is the price range for Zafirlukast?
NADAC reference prices for Zafirlukast range from $0.5295 to $0.6436 per EA — a 22% difference between cheapest and most expensive.
Which manufacturers make Zafirlukast?
5 manufacturers list Zafirlukast in NADAC. Ranked by number of NDCs, the largest are Aurobindo Pharma Limited (2), Dr. Reddy's Laboratories Inc. (2), Strides Pharma Inc. (2), Camber Pharmaceuticals Inc. (2), American Health Packaging (1).
How has the price of Zafirlukast changed recently?
Over the past 7 days, 5 Zafirlukast NDCs rose and 4 fell, with a market-wide average change of -0.1%.