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Product Information

RELENZA 5 MG DISKHALER is a brand product labeled by GlaxoSmithKline LLC, priced at $2.8319 per EA under NDC 00173068101. Its NADAC has been published 213 times since Nov 28, 2013.

FDA first approved this application on Jul 26, 1999.

RELENZA 5 MG DISKHALER

zanamivir
$2.8319per EA

Strength

5 mg/1

NDC

00173068101

Classification

Brand

Dosage Form

POWDER

Route

RESPIRATORY (INHALATION)

Effective Date

1/22/2025

Active Ingredients

ZANAMIVIR

Approval Type

New Drug (NDA)

FDA Application

NDA021036

FDA Approved

7/26/1999

On Market Since

9/22/1999

Pharmacological Classes

Neuraminidase Inhibitor
Neuraminidase Inhibitors

Price Statistics

The NADAC for RELENZA 5 MG DISKHALER has been published 213 times since Nov 28, 2013, and over the history we have for it it has held within roughly two percent of its current level. The table below summarizes its recorded NADAC range and movement.

Current price$2.8319 per EA
All-time high$2.8798 (Apr 16, 2014)
All-time low$2.8108 (Mar 18, 2015)
52-week high$2.8319
52-week low$2.8319
Median price$2.8319
Average price$2.8288
Largest weekly change-1.8% (Mar 18, 2015)
Weeks tracked213
Tracking sinceNov 28, 2013

Price History

1W

N/A

1M

N/A

3M

N/A

6M

N/A

1Y

0.0%

3Y

+0.5%

5Y

+0.5%

All

-1.7%

Last surveyed Jan 14, 2026 — this NDC no longer appears in the current weekly NADAC file.

Generic Alternatives

No other NADAC-published product shares this drug's active ingredient and strength in a comparable dosage form. Compare the broader picture on the zanamivir market page.

Lowest-Cost Alternatives

No alternatives available

No alternatives found with the same active ingredient and strength in a comparable dosage form.

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TAMIFLU 75 MG CAPSULE
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$14.5186
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Frequently asked questions

What is the NADAC price of RELENZA 5 MG DISKHALER?

The current National Average Drug Acquisition Cost (NADAC) for RELENZA 5 MG DISKHALER, manufactured by GlaxoSmithKline LLC, is $2.8319 per EA (NDC 00173068101), effective Jan 14, 2026.

How has the price of RELENZA 5 MG DISKHALER changed over time?

Over the history we have for it, the NADAC for RELENZA 5 MG DISKHALER has held within roughly two percent of its current level. It has been tracked across 213 weekly CMS publications since Nov 28, 2013.

What are the highest and lowest recorded NADAC prices for RELENZA 5 MG DISKHALER?

Since Nov 28, 2013, the NADAC for RELENZA 5 MG DISKHALER has ranged from a low of $2.8108 (Mar 18, 2015) to a high of $2.8798 (Apr 16, 2014), with a median of $2.8319 per EA.

Are there cheaper alternatives to RELENZA 5 MG DISKHALER?

No other NADAC-published product currently shares the active ingredient and strength of RELENZA 5 MG DISKHALER in a comparable dosage form, so no direct lower-cost alternative is listed.

Who manufactures RELENZA 5 MG DISKHALER?

RELENZA 5 MG DISKHALER (NDC 00173068101) is labeled by GlaxoSmithKline LLC, and CMS classifies it as a brand product.