Product Information

ACETAZOLAMIDE 250 MG TABLET is a generic product labeled by Heritage Pharmaceuticals Inc., priced at $0.1315 per EA under NDC 23155028801. Its NADAC has been published 494 times since Mar 8, 2017.

FDA first approved this application on Oct 27, 2016. Its Orange Book therapeutic-equivalence code is AB — FDA rates it therapeutically equivalent to (substitutable for) its reference product.

ACETAZOLAMIDE 250 MG TABLET

acetazolamide
$0.1315per EA

Strength

250 mg/1

NDC

23155028801

Classification

Generic

Dosage Form

TABLET

Route

ORAL

Effective Date

8/19/2026

Active Ingredients

ACETAZOLAMIDE

Approval Type

Generic (ANDA)

FDA Application

ANDA205530

FDA Approved

10/27/2016

TE Code

AB

On Market Since

10/27/2016

Pharmacological Classes

Carbonic Anhydrase Inhibitor
Carbonic Anhydrase Inhibitors
Sulfonamides

Price Statistics

The NADAC for ACETAZOLAMIDE 250 MG TABLET has been published 494 times since Mar 8, 2017, and over the history we have for it it has declined 93.1%. The table below summarizes its recorded NADAC range and movement.

Current price$0.1315 per EA
All-time high$1.9144 (Mar 15, 2017)
All-time low$0.1231 (Dec 17, 2025)
52-week high$0.1489
52-week low$0.1231
Median price$0.2830
Average price$0.6354
Largest weekly change-52.8% (Aug 18, 2021)
Weeks tracked494
Tracking sinceMar 8, 2017

Price History

1W

-1.1%

1M

-1.1%

3M

-5.0%

6M

-2.8%

1Y

-9.5%

3Y

-37.3%

5Y

-52.6%

All

-93.1%

Generic Alternatives

The matcher finds 1 manufacturer 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.

Lowest-Cost Alternatives

1 alternative • Same active ingredient

Frequently asked questions

What is the NADAC price of ACETAZOLAMIDE 250 MG TABLET?

The current National Average Drug Acquisition Cost (NADAC) for ACETAZOLAMIDE 250 MG TABLET, manufactured by Heritage Pharmaceuticals Inc., is $0.1315 per EA (NDC 23155028801), effective Aug 19, 2026.

How has the price of ACETAZOLAMIDE 250 MG TABLET changed over time?

Over the history we have for it, the NADAC for ACETAZOLAMIDE 250 MG TABLET has declined 93.1%. It has been tracked across 494 weekly CMS publications since Mar 8, 2017.

What are the highest and lowest recorded NADAC prices for ACETAZOLAMIDE 250 MG TABLET?

Since Mar 8, 2017, the NADAC for ACETAZOLAMIDE 250 MG TABLET has ranged from a low of $0.1231 (Dec 17, 2025) to a high of $1.9144 (Mar 15, 2017), with a median of $0.2830 per EA.

Are there cheaper alternatives to ACETAZOLAMIDE 250 MG TABLET?

1 manufacturer publishes a NADAC-priced product with the same active ingredient and strength as ACETAZOLAMIDE 250 MG TABLET in a comparable dosage form, but none are currently priced below it.

Who manufactures ACETAZOLAMIDE 250 MG TABLET?

ACETAZOLAMIDE 250 MG TABLET (NDC 23155028801) is labeled by Heritage Pharmaceuticals Inc., and CMS classifies it as a generic product.