Product Information
SPIRONOLACTONE 25 MG/5 ML SUSP is a generic product labeled by Camber Pharmaceuticals Inc., priced at $1.8119 per ML under NDC 31722069147. Its NADAC has been published 46 times since Nov 19, 2025.
FDA first approved this application on Feb 21, 2025. 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 spironolactone 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/5mL
Manufacturer
Camber Pharmaceuticals Inc.NDC
31722069147
Classification
Generic
Dosage Form
SUSPENSION
Route
ORAL
Effective Date
9/23/2026
Active Ingredients
SPIRONOLACTONEApproval Type
Generic (ANDA)
FDA Application
ANDA218085FDA Approved
2/21/2025
TE Code
AB
On Market Since
2/21/2025
Pharmacological Classes
Price Statistics
The NADAC for SPIRONOLACTONE 25 MG/5 ML SUSP has been published 46 times since Nov 19, 2025, and over the history we have for it it has risen 18.0%. The table below summarizes its recorded NADAC range and movement.
| Current price | $1.8119 per ML |
|---|---|
| All-time high | $1.8338 (Sep 16, 2026) |
| All-time low | $1.5255 (Dec 17, 2025) |
| 52-week high | $1.8338 |
| 52-week low | $1.5255 |
| Median price | $1.7141 |
| Average price | $1.6772 |
| Largest weekly change | +5.9% (Mar 18, 2026) |
| Weeks tracked | 46 |
| Tracking since | Nov 19, 2025 |
Generic Alternatives
The matcher finds 2 manufacturers 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 11% at current NADAC. These are candidates to verify clinically, not guaranteed substitutes — see our generic drug prices guide.
Related Drugs
Same classification
Continue researching this drug
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Manufacturer
Camber Pharmaceuticals Inc. manufacturer profile
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Drug market
spironolactone market comparison
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Therapeutic class
Aldosterone Antagonist 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 SPIRONOLACTONE 25 MG/5 ML SUSP?
The current National Average Drug Acquisition Cost (NADAC) for SPIRONOLACTONE 25 MG/5 ML SUSP, manufactured by Camber Pharmaceuticals Inc., is $1.8119 per ML (NDC 31722069147), effective Sep 30, 2026.
How has the price of SPIRONOLACTONE 25 MG/5 ML SUSP changed over time?
Over the history we have for it, the NADAC for SPIRONOLACTONE 25 MG/5 ML SUSP has risen 18.0%. It has been tracked across 46 weekly CMS publications since Nov 19, 2025.
What are the highest and lowest recorded NADAC prices for SPIRONOLACTONE 25 MG/5 ML SUSP?
Since Nov 19, 2025, the NADAC for SPIRONOLACTONE 25 MG/5 ML SUSP has ranged from a low of $1.5255 (Dec 17, 2025) to a high of $1.8338 (Sep 16, 2026), with a median of $1.7141 per ML.
Are there cheaper alternatives to SPIRONOLACTONE 25 MG/5 ML SUSP?
Yes. 2 manufacturers publish a NADAC-priced product with the same active ingredient and strength in a comparable dosage form. The lowest-priced option, SPIRONOLACTONE 25 MG/5 ML SUSP, is $1.6192 per ML — about 11% below SPIRONOLACTONE 25 MG/5 ML SUSP.
Who manufactures SPIRONOLACTONE 25 MG/5 ML SUSP?
SPIRONOLACTONE 25 MG/5 ML SUSP (NDC 31722069147) is labeled by Camber Pharmaceuticals Inc., and CMS classifies it as a generic product.