Product Information

ACETAZOLAMIDE ER 500 MG CAP is a generic product labeled by AvPAK, priced at $0.2838 per EA under NDC 50268004212. Its NADAC has been published 190 times since Jan 4, 2023.

FDA first approved this application on Oct 1, 2020. Its Orange Book therapeutic-equivalence code is AB — FDA rates it therapeutically equivalent to (substitutable for) its reference product.

ACETAZOLAMIDE ER 500 MG CAP

Acetazolamide Extended-Release
$0.2838per EA

Strength

500 mg/1

Manufacturer

AvPAK

NDC

50268004212

Classification

Generic

Dosage Form

CAPSULE

Route

ORAL

Effective Date

8/19/2026

Active Ingredients

ACETAZOLAMIDE

Approval Type

Generic (ANDA)

FDA Application

ANDA207401

FDA Approved

10/1/2020

TE Code

AB

On Market Since

7/20/2022

Pharmacological Classes

Carbonic Anhydrase Inhibitor
Carbonic Anhydrase Inhibitors
Sulfonamides

Price Statistics

The NADAC for ACETAZOLAMIDE ER 500 MG CAP has been published 190 times since Jan 4, 2023, and over the history we have for it it has declined 20.0%. The table below summarizes its recorded NADAC range and movement.

Current price$0.2838 per EA
All-time high$0.3843 (Feb 15, 2023)
All-time low$0.2206 (Nov 20, 2024)
52-week high$0.3055
52-week low$0.2653
Median price$0.3055
Average price$0.3113
Largest weekly change-23.3% (Nov 20, 2024)
Weeks tracked190
Tracking sinceJan 4, 2023

Price History

1W

+2.4%

1M

+2.4%

3M

+0.5%

6M

-3.3%

1Y

-4.2%

3Y

-19.8%

5Y

N/A

All

-20.0%

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 Acetazolamide Extended-Release market page.

Lowest-Cost Alternatives

No alternatives available

No alternatives found with the same active ingredient and strength in a comparable dosage form.

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 AvPAK, is $0.2838 per EA (NDC 50268004212), 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 20.0%. It has been tracked across 190 weekly CMS publications since Jan 4, 2023.

What are the highest and lowest recorded NADAC prices for ACETAZOLAMIDE ER 500 MG CAP?

Since Jan 4, 2023, the NADAC for ACETAZOLAMIDE ER 500 MG CAP has ranged from a low of $0.2206 (Nov 20, 2024) to a high of $0.3843 (Feb 15, 2023), with a median of $0.3055 per EA.

Are there cheaper alternatives to ACETAZOLAMIDE ER 500 MG CAP?

No other NADAC-published product currently shares the active ingredient and strength of ACETAZOLAMIDE ER 500 MG CAP in a comparable dosage form, so no direct lower-cost alternative is listed.

Who manufactures ACETAZOLAMIDE ER 500 MG CAP?

ACETAZOLAMIDE ER 500 MG CAP (NDC 50268004212) is labeled by AvPAK, and CMS classifies it as a generic product.