Product Information

ACETAZOLAMIDE ER 500 MG CAP is a generic product labeled by Accord Healthcare Inc., priced at $0.2838 per EA under NDC 16729033101. Its NADAC has been published 231 times since Mar 23, 2022.

FDA first approved this application on Oct 18, 2018. 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
$0.2838per EA

Strength

500 mg/1

NDC

16729033101

Classification

Generic

Dosage Form

CAPSULE, EXTENDED RELEASE

Route

ORAL

Effective Date

8/19/2026

Active Ingredients

ACETAZOLAMIDE

Approval Type

Generic (ANDA)

FDA Application

ANDA207659

FDA Approved

10/18/2018

TE Code

AB

On Market Since

11/19/2021

Pharmacological Classes

Carbonic Anhydrase Inhibitor
Carbonic Anhydrase Inhibitors
Sulfonamides

Price Statistics

The NADAC for ACETAZOLAMIDE ER 500 MG CAP has been published 231 times since Mar 23, 2022, and over the history we have for it it has declined 28.8%. The table below summarizes its recorded NADAC range and movement.

Current price$0.2838 per EA
All-time high$0.4090 (Sep 14, 2022)
All-time low$0.2206 (Nov 20, 2024)
52-week high$0.3055
52-week low$0.2653
Median price$0.3218
Average price$0.3231
Largest weekly change-23.3% (Nov 20, 2024)
Weeks tracked231
Tracking sinceMar 23, 2022

Price History

1W

+2.4%

1M

+2.4%

3M

+0.5%

6M

-3.3%

1Y

-4.2%

3Y

-19.8%

5Y

N/A

All

-28.8%

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.

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 Accord Healthcare Inc., is $0.2838 per EA (NDC 16729033101), 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 28.8%. It has been tracked across 231 weekly CMS publications since Mar 23, 2022.

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

Since Mar 23, 2022, the NADAC for ACETAZOLAMIDE ER 500 MG CAP has ranged from a low of $0.2206 (Nov 20, 2024) to a high of $0.4090 (Sep 14, 2022), with a median of $0.3218 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 16729033101) is labeled by Accord Healthcare Inc., and CMS classifies it as a generic product.