Oseltamivir Phosphate
44 NDCs across 16 manufacturers|40 Generic,4 Brand
Oseltamivir Phosphate is used to treat human influenza, per the National Library of Medicine's MED-RT classification.
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The brand product was first FDA-approved on Oct 27, 1999, and the first generic was approved Aug 3, 2016. FDA's Orange Book lists 64 AB-rated (therapeutically equivalent) products for this ingredient. In 2024, Medicare Part D spent $19 million on Oseltamivir Phosphate across 639,000 claims for 606,000 beneficiaries.
Oseltamivir Phosphate is available as 44 NDCs from 16 manufacturers (40 generic, 4 brand), with NADAC prices from $0.68 to $14.52 per EA — the most expensive product costs about 21× the cheapest. Every pack size and labeler in this drug market is compared side-by-side below.
Total NDCs
44
40G / 4B
Manufacturers
16
competing in market
Price Spread
$0.68 – $14.52
per EA, 31 of 44 NDCs
7d Activity
avg -0.6% WoW · of 44 NDCs
Market Price Trend
Monthly average NADAC per unit, split by generic and brand.
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Top supplier
Genentech, Inc. manufacturer profile
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Lead class
Neuraminidase Inhibitor class view
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Trend hub
Latest market trends
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Guide
How to interpret NADAC
Review the benchmark methodology behind the prices and spreads shown on this market page.
Manufacturer Breakdown
16 manufacturers producing OSELTAMIVIR PHOSPHATE(1 pricing outlier)
Frequently Asked Questions
What is Oseltamivir Phosphate used to treat?
Oseltamivir Phosphate is used to treat human influenza, per the National Library of Medicine's MED-RT classification.
When did Oseltamivir Phosphate become available as a generic?
FDA approved the first generic Oseltamivir Phosphate (ANDA) on Aug 3, 2016. The Orange Book currently lists 64 AB-rated products for this ingredient, meaning FDA considers them therapeutically equivalent to the brand.
How much does Medicare spend on Oseltamivir Phosphate?
In 2024, Medicare Part D spent $19 million on Oseltamivir Phosphate across 639,000 claims for 606,000 beneficiaries.
How many Oseltamivir Phosphate products are on the market?
The Oseltamivir Phosphate drug market contains 44 NDCs from 16 manufacturers — 40 generic and 4 brand products.
What is the price range for Oseltamivir Phosphate?
NADAC reference prices for Oseltamivir Phosphate range from $0.6795 to $14.5186 per EA — the most expensive product costs about 21× the cheapest. 13 additional products are priced per different units (e.g. liquids per ML) and aren't directly comparable.
Is generic Oseltamivir Phosphate cheaper than brand?
The average generic NADAC for Oseltamivir Phosphate is $0.7558 per EA, versus $13.8194 for brand-labeled products — brand versions average about 18× the generic price.
Which manufacturers make Oseltamivir Phosphate?
16 manufacturers list Oseltamivir Phosphate in NADAC. Ranked by number of NDCs, the largest are Genentech, Inc. (4), Novadoz Pharmaceuticals LLC (4), Lannett Company Inc. (4), Alvogen Inc. (4), Strides Pharma Inc. (4).
How has the price of Oseltamivir Phosphate changed recently?
Over the past 7 days, 9 Oseltamivir Phosphate NDCs rose and 29 fell, with a market-wide average change of -0.6%.