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.
Strength
5 mg/1
Manufacturer
GlaxoSmithKline LLCNDC
00173068101
Classification
Brand
Dosage Form
POWDER
Route
RESPIRATORY (INHALATION)
Effective Date
1/22/2025
Active Ingredients
ZANAMIVIRApproval Type
New Drug (NDA)
FDA Application
NDA021036FDA Approved
7/26/1999
On Market Since
9/22/1999
Pharmacological Classes
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 tracked | 213 |
| Tracking since | Nov 28, 2013 |
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
Related Drugs
Same classification
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Manufacturer
GlaxoSmithKline LLC manufacturer profile
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Drug market
zanamivir market comparison
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Therapeutic class
Neuraminidase Inhibitor class view
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Trend hub
Latest market trends
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Guide
Understanding NADAC pricing
Use the explainer when you need context on how CMS publishes NADAC and how to interpret the number on this page.
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.