Product Information
ACETAZOLAMIDE 125 MG TABLET is a generic product labeled by Sun Pharmaceutical Industries Inc., priced at $0.1000 per EA under NDC 51672402201. Its NADAC has been published 665 times since Nov 28, 2013.
FDA first approved this application on May 28, 1997. Its Orange Book therapeutic-equivalence code is AB — FDA rates it therapeutically equivalent to (substitutable for) its reference product.
Strength
125 mg/1
Manufacturer
Sun Pharmaceutical Industries Inc.NDC
51672402201
Classification
Generic
Dosage Form
TABLET
Route
ORAL
Effective Date
8/19/2026
Active Ingredients
ACETAZOLAMIDEApproval Type
Generic (ANDA)
FDA Application
ANDA040195FDA Approved
5/28/1997
TE Code
AB
On Market Since
5/28/1997
Pharmacological Classes
Price Statistics
The NADAC for ACETAZOLAMIDE 125 MG TABLET has been published 665 times since Nov 28, 2013, and over the history we have for it it has declined 81.0%. The table below summarizes its recorded NADAC range and movement.
| Current price | $0.1000 per EA |
|---|---|
| All-time high | $1.9895 (Apr 13, 2016) |
| All-time low | $0.0633 (Nov 20, 2024) |
| 52-week high | $0.1287 |
| 52-week low | $0.0935 |
| Median price | $0.8186 |
| Average price | $0.8486 |
| Largest weekly change | +240.6% (Feb 19, 2014) |
| Weeks tracked | 665 |
| Tracking since | Nov 28, 2013 |
1W
N/A
1M
N/A
3M
+4.5%
6M
-0.3%
1Y
-20.7%
3Y
-34.2%
5Y
-51.7%
All
-81.0%
Last surveyed Aug 19, 2026 — this NDC no longer appears in the current weekly NADAC file.
Generic Alternatives
The matcher finds 6 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 4% at current NADAC. These are candidates to verify clinically, not guaranteed substitutes — see our generic drug prices guide.
Related Drugs
Same classification
Continue researching this drug
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Manufacturer
Sun Pharmaceutical Industries Inc. manufacturer profile
See the full portfolio, pricing trend, and other products from this labeler.
Drug market
Acetazolamide market comparison
Compare this molecule across participating manufacturers and inspect the broader market price spread.
Therapeutic class
Carbonic Anhydrase Inhibitor class view
See how this drug behaves alongside other products in the same FDA pharmacologic class.
Trend hub
Latest market trends
Zoom back out to the weekly mover view and compare this NDC with the rest of the current NADAC release.
Guide
Understanding NADAC pricing
Use the explainer when you need context on how CMS publishes NADAC and how to interpret the number on this page.
Frequently asked questions
What is the NADAC price of ACETAZOLAMIDE 125 MG TABLET?
The current National Average Drug Acquisition Cost (NADAC) for ACETAZOLAMIDE 125 MG TABLET, manufactured by Sun Pharmaceutical Industries Inc., is $0.1000 per EA (NDC 51672402201), effective Aug 19, 2026.
How has the price of ACETAZOLAMIDE 125 MG TABLET changed over time?
Over the history we have for it, the NADAC for ACETAZOLAMIDE 125 MG TABLET has declined 81.0%. It has been tracked across 665 weekly CMS publications since Nov 28, 2013.
What are the highest and lowest recorded NADAC prices for ACETAZOLAMIDE 125 MG TABLET?
Since Nov 28, 2013, the NADAC for ACETAZOLAMIDE 125 MG TABLET has ranged from a low of $0.0633 (Nov 20, 2024) to a high of $1.9895 (Apr 13, 2016), with a median of $0.8186 per EA.
Are there cheaper alternatives to ACETAZOLAMIDE 125 MG TABLET?
Yes. 6 manufacturers publish a NADAC-priced product with the same active ingredient and strength in a comparable dosage form. The lowest-priced option, ACETAZOLAMIDE 125 MG TABLET, is $0.0965 per EA — about 4% below ACETAZOLAMIDE 125 MG TABLET.
Who manufactures ACETAZOLAMIDE 125 MG TABLET?
ACETAZOLAMIDE 125 MG TABLET (NDC 51672402201) is labeled by Sun Pharmaceutical Industries Inc., and CMS classifies it as a generic product.