Product Information
ACETAZOLAMIDE ER 500 MG CAP is a generic product labeled by Heritage Pharmaceuticals Inc., priced at $0.2755 per EA under NDC 23155078701. Its NADAC has been published 273 times since Apr 7, 2021.
Strength
500 mg/1
Manufacturer
Heritage Pharmaceuticals Inc.NDC
23155078701
Classification
Generic
Dosage Form
CAPSULE, EXTENDED RELEASE
Route
ORAL
Last Updated
6/17/2026
Active Ingredients
ACETAZOLAMIDEApproval Type
Generic (ANDA)
FDA Application
ANDA040904On Market Since
2/15/2021
Pharmacological Classes
Price Statistics
The NADAC for ACETAZOLAMIDE ER 500 MG CAP has been published 273 times since Apr 7, 2021, and over the history we have for it it has declined 38.6%. The table below summarizes its recorded NADAC range and movement.
| Current price | $0.2755 per EA |
|---|---|
| All-time high | $0.4741 (Jul 14, 2021) |
| All-time low | $0.2206 (Nov 20, 2024) |
| 52-week high | $0.3055 |
| 52-week low | $0.2653 |
| Median price | $0.3389 |
| Average price | $0.3436 |
| Largest weekly change | -23.3% (Nov 20, 2024) |
| Weeks tracked | 273 |
| Tracking since | Apr 7, 2021 |
Generic Alternatives
The matcher finds 4 NADAC-published products sharing this drug's active ingredient, strength, and dosage form across 4 manufacturers (up to 10 shown below). None of the shown alternatives sit below the current price. These are candidates to verify clinically, not guaranteed substitutes — see our generic drug prices guide.
Frequently asked questions
What is the NADAC price of ACETAZOLAMIDE ER 500 MG CAP?
The current National Average Drug Acquisition Cost (NADAC) for ACETAZOLAMIDE ER 500 MG CAP, manufactured by Heritage Pharmaceuticals Inc., is $0.2755 per EA (NDC 23155078701), effective Jun 24, 2026.
How has the price of ACETAZOLAMIDE ER 500 MG CAP changed over time?
Over the history we have for it, the NADAC for ACETAZOLAMIDE ER 500 MG CAP has declined 38.6%. It has been tracked across 273 weekly CMS publications since Apr 7, 2021.
What are the highest and lowest recorded NADAC prices for ACETAZOLAMIDE ER 500 MG CAP?
Since Apr 7, 2021, the NADAC for ACETAZOLAMIDE ER 500 MG CAP has ranged from a low of $0.2206 (Nov 20, 2024) to a high of $0.4741 (Jul 14, 2021), with a median of $0.3389 per EA.
Are there cheaper alternatives to ACETAZOLAMIDE ER 500 MG CAP?
4 NADAC-published products share the same active ingredient, strength, and dosage form as ACETAZOLAMIDE ER 500 MG CAP, but none are currently priced below it.
Who manufactures ACETAZOLAMIDE ER 500 MG CAP?
ACETAZOLAMIDE ER 500 MG CAP (NDC 23155078701) is labeled by Heritage Pharmaceuticals Inc., and CMS classifies it as a generic product.
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