Product Information
ACETAZOLAMIDE ER 500 MG CAP is a generic product labeled by Zydus Pharmaceuticals (USA) Inc., priced at $0.2838 per EA under NDC 70710159101. Its NADAC has been published 331 times since Apr 22, 2020.
FDA first approved this application on Jan 16, 2019. Its Orange Book therapeutic-equivalence code is AB — FDA rates it therapeutically equivalent to (substitutable for) its reference product.
Strength
500 mg/1
Manufacturer
Zydus Pharmaceuticals (USA) Inc.NDC
70710159101
Classification
Generic
Dosage Form
CAPSULE
Route
ORAL
Effective Date
8/19/2026
Active Ingredients
ACETAZOLAMIDEApproval Type
Generic (ANDA)
FDA Application
ANDA205301FDA Approved
1/16/2019
TE Code
AB
On Market Since
5/8/2019
Pharmacological Classes
Price Statistics
The NADAC for ACETAZOLAMIDE ER 500 MG CAP has been published 331 times since Apr 22, 2020, and over the history we have for it it has declined 52.4%. The table below summarizes its recorded NADAC range and movement.
| Current price | $0.2838 per EA |
|---|---|
| All-time high | $0.7878 (Jul 15, 2020) |
| All-time low | $0.2206 (Nov 20, 2024) |
| 52-week high | $0.3055 |
| 52-week low | $0.2653 |
| Median price | $0.3514 |
| Average price | $0.3680 |
| Largest weekly change | +39.0% (Nov 18, 2020) |
| Weeks tracked | 331 |
| Tracking since | Apr 22, 2020 |
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). 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.
Related Drugs
Same classification
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 Zydus Pharmaceuticals (USA) Inc., is $0.2838 per EA (NDC 70710159101), effective Aug 19, 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 52.4%. It has been tracked across 331 weekly CMS publications since Apr 22, 2020.
What are the highest and lowest recorded NADAC prices for ACETAZOLAMIDE ER 500 MG CAP?
Since Apr 22, 2020, the NADAC for ACETAZOLAMIDE ER 500 MG CAP has ranged from a low of $0.2206 (Nov 20, 2024) to a high of $0.7878 (Jul 15, 2020), with a median of $0.3514 per EA.
Are there cheaper alternatives to ACETAZOLAMIDE ER 500 MG CAP?
2 manufacturers publish a NADAC-priced product with the same active ingredient and strength as ACETAZOLAMIDE ER 500 MG CAP in a comparable dosage form, but none are currently priced below it.
Who manufactures ACETAZOLAMIDE ER 500 MG CAP?
ACETAZOLAMIDE ER 500 MG CAP (NDC 70710159101) is labeled by Zydus Pharmaceuticals (USA) Inc., and CMS classifies it as a generic product.