Historical record - last NADAC effective date: 10/18/2023

Product Information

ACETAZOLAMIDE ER 500 MG CAP is a generic product labeled by Ingenus Pharmaceuticals LLC, priced at $0.3218 per EA under NDC 50742023301. Its NADAC has been published 319 times since Oct 4, 2017.

FDA first approved this application on Sep 30, 2016. 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
$0.3218per EA

Strength

500 mg/1

NDC

50742023301

Classification

Generic

Dosage Form

CAPSULE, EXTENDED RELEASE

Route

ORAL

Effective Date

10/18/2023

Active Ingredients

ACETAZOLAMIDE

Approval Type

Generic (ANDA)

FDA Application

ANDA203434

FDA Approved

9/30/2016

TE Code

AB

On Market Since

7/31/2017

Pharmacological Classes

Carbonic Anhydrase Inhibitor
Carbonic Anhydrase Inhibitors
Sulfonamides

Price Statistics

The NADAC for ACETAZOLAMIDE ER 500 MG CAP has been published 319 times since Oct 4, 2017, and over the history we have for it it has declined 80.0%. The table below summarizes its recorded NADAC range and movement.

Current price$0.3218 per EA
All-time high$1.6931 (Nov 15, 2017)
All-time low$0.3201 (Aug 23, 2023)
Median price$0.4901
Average price$0.6541
Largest weekly change+39.0% (Nov 18, 2020)
Weeks tracked319
Tracking sinceOct 4, 2017

Price History

1W

N/A

1M

N/A

3M

N/A

6M

N/A

1Y

N/A

3Y

-9.1%

5Y

-22.6%

All

-80.0%

Last surveyed Nov 8, 2023 — this NDC no longer appears in the current weekly NADAC file.

Generic Alternatives

The matcher finds 4 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). Switching to the cheapest would cut per-unit acquisition cost by roughly 12% at current NADAC. 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 Ingenus Pharmaceuticals LLC, is $0.3218 per EA (NDC 50742023301), effective Nov 8, 2023.

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 80.0%. It has been tracked across 319 weekly CMS publications since Oct 4, 2017.

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

Since Oct 4, 2017, the NADAC for ACETAZOLAMIDE ER 500 MG CAP has ranged from a low of $0.3201 (Aug 23, 2023) to a high of $1.6931 (Nov 15, 2017), with a median of $0.4901 per EA.

Are there cheaper alternatives to ACETAZOLAMIDE ER 500 MG CAP?

Yes. 4 manufacturers publish a NADAC-priced product with the same active ingredient and strength in a comparable dosage form. The lowest-priced option, ACETAZOLAMIDE ER 500 MG CAP, is $0.2838 per EA — about 12% below ACETAZOLAMIDE ER 500 MG CAP.

Who manufactures ACETAZOLAMIDE ER 500 MG CAP?

ACETAZOLAMIDE ER 500 MG CAP (NDC 50742023301) is labeled by Ingenus Pharmaceuticals LLC, and CMS classifies it as a generic product.