Product Information
INSPRA 25 MG TABLET is a brand product labeled by Viatris Specialty LLC, priced at $14.1067 per EA under NDC 58151014293. Its NADAC has been published 95 times since Oct 23, 2024.
FDA first approved this application on Sep 27, 2002. Its Orange Book therapeutic-equivalence code is AB — FDA rates it therapeutically equivalent to (substitutable for) its reference product.
The High Outlier badge above means this manufacturer's average price in the eplerenone market falls above Q3 + 1.5·IQR across all competing manufacturers. We only apply this flag in markets with four or more competitors. Full definition: glossary → outlier.
Strength
25 mg/1
Manufacturer
Viatris Specialty LLCNDC
58151014293
Classification
Brand
Dosage Form
TABLET, FILM COATED
Route
ORAL
Effective Date
8/20/2025
Active Ingredients
EPLERENONEApproval Type
New Drug (NDA)
FDA Application
NDA021437FDA Approved
9/27/2002
TE Code
AB
On Market Since
4/19/2024
Pharmacological Classes
Price Statistics
The NADAC for INSPRA 25 MG TABLET has been published 95 times since Oct 23, 2024, 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 | $14.1067 per EA |
|---|---|
| All-time high | $14.1972 (Dec 11, 2024) |
| All-time low | $14.1067 (Aug 20, 2025) |
| 52-week high | $14.1067 |
| 52-week low | $14.1067 |
| Median price | $14.1067 |
| Average price | $14.1345 |
| Largest weekly change | -0.3% (Jul 23, 2025) |
| Weeks tracked | 95 |
| Tracking since | Oct 23, 2024 |
1W
N/A
1M
N/A
3M
0.0%
6M
0.0%
1Y
0.0%
3Y
N/A
5Y
N/A
All
-0.6%
Last surveyed Aug 12, 2026 — this NDC no longer appears in the current weekly NADAC file.
Generic Alternatives
The matcher finds 1 manufacturer 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). Switching to the cheapest would cut per-unit acquisition cost by roughly 98% at current NADAC. These are candidates to verify clinically, not guaranteed substitutes — see our generic drug prices guide.
Related Drugs
Same classification
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Manufacturer
Viatris Specialty LLC manufacturer profile
See the full portfolio, pricing trend, and other products from this labeler.
Drug market
eplerenone market comparison
Compare this molecule across participating manufacturers and inspect the broader market price spread.
Therapeutic class
Aldosterone Antagonist class view
See how this drug behaves alongside other products in the same FDA pharmacologic class.
Trend hub
Latest market trends
Zoom back out to the weekly mover view and compare this NDC with the rest of the current NADAC release.
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 INSPRA 25 MG TABLET?
The current National Average Drug Acquisition Cost (NADAC) for INSPRA 25 MG TABLET, manufactured by Viatris Specialty LLC, is $14.1067 per EA (NDC 58151014293), effective Aug 12, 2026.
How has the price of INSPRA 25 MG TABLET changed over time?
Over the history we have for it, the NADAC for INSPRA 25 MG TABLET has held within roughly two percent of its current level. It has been tracked across 95 weekly CMS publications since Oct 23, 2024.
What are the highest and lowest recorded NADAC prices for INSPRA 25 MG TABLET?
Since Oct 23, 2024, the NADAC for INSPRA 25 MG TABLET has ranged from a low of $14.1067 (Aug 20, 2025) to a high of $14.1972 (Dec 11, 2024), with a median of $14.1067 per EA.
Are there cheaper alternatives to INSPRA 25 MG TABLET?
Yes. 1 manufacturer publishes a NADAC-priced product with the same active ingredient and strength in a comparable dosage form. The lowest-priced option, EPLERENONE 25 MG TABLET, is $0.3052 per EA — about 98% below INSPRA 25 MG TABLET.
Who manufactures INSPRA 25 MG TABLET?
INSPRA 25 MG TABLET (NDC 58151014293) is labeled by Viatris Specialty LLC, and CMS classifies it as a brand product.