Product Information
ATENOLOL-CHLORTHALIDONE 100-25 is a generic product labeled by Unichem Pharmaceuticals (USA) Inc., priced at $0.3351 per EA under NDC 29300040101. Its NADAC has been published 299 times since Jan 13, 2021.
FDA first approved this application on Nov 25, 2020. Its Orange Book therapeutic-equivalence code is AB — FDA rates it therapeutically equivalent to (substitutable for) its reference product.
Strength
100; 25 mg/1; mg/1
Manufacturer
Unichem Pharmaceuticals (USA) Inc.NDC
29300040101
Classification
Generic
Dosage Form
TABLET
Route
ORAL
Effective Date
9/23/2026
Active Ingredients
ATENOLOL; CHLORTHALIDONEApproval Type
Generic (ANDA)
FDA Application
ANDA213302FDA Approved
11/25/2020
TE Code
AB
On Market Since
11/25/2020
Pharmacological Classes
Price Statistics
The NADAC for ATENOLOL-CHLORTHALIDONE 100-25 has been published 299 times since Jan 13, 2021, and over the history we have for it it has declined 35.8%. The table below summarizes its recorded NADAC range and movement.
| Current price | $0.3351 per EA |
|---|---|
| All-time high | $0.6037 (Jun 16, 2021) |
| All-time low | $0.2780 (Nov 20, 2024) |
| 52-week high | $0.3790 |
| 52-week low | $0.3321 |
| Median price | $0.4048 |
| Average price | $0.4230 |
| Largest weekly change | -28.4% (Nov 20, 2024) |
| Weeks tracked | 299 |
| Tracking since | Jan 13, 2021 |
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). 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.
Related Drugs
Same classification
Continue researching this drug
Use these direct paths to move from a single NDC into the surrounding market, manufacturer, class, and trend context.
Manufacturer
Unichem Pharmaceuticals (USA) Inc. manufacturer profile
See the full portfolio, pricing trend, and other products from this labeler.
Drug market
Atenolol and Chlorthalidone market comparison
Compare this molecule across participating manufacturers and inspect the broader market price spread.
Therapeutic class
Thiazide-like Diuretic 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 ATENOLOL-CHLORTHALIDONE 100-25?
The current National Average Drug Acquisition Cost (NADAC) for ATENOLOL-CHLORTHALIDONE 100-25, manufactured by Unichem Pharmaceuticals (USA) Inc., is $0.3351 per EA (NDC 29300040101), effective Sep 30, 2026.
How has the price of ATENOLOL-CHLORTHALIDONE 100-25 changed over time?
Over the history we have for it, the NADAC for ATENOLOL-CHLORTHALIDONE 100-25 has declined 35.8%. It has been tracked across 299 weekly CMS publications since Jan 13, 2021.
What are the highest and lowest recorded NADAC prices for ATENOLOL-CHLORTHALIDONE 100-25?
Since Jan 13, 2021, the NADAC for ATENOLOL-CHLORTHALIDONE 100-25 has ranged from a low of $0.2780 (Nov 20, 2024) to a high of $0.6037 (Jun 16, 2021), with a median of $0.4048 per EA.
Are there cheaper alternatives to ATENOLOL-CHLORTHALIDONE 100-25?
4 manufacturers publish a NADAC-priced product with the same active ingredient and strength as ATENOLOL-CHLORTHALIDONE 100-25 in a comparable dosage form, but none are currently priced below it.
Who manufactures ATENOLOL-CHLORTHALIDONE 100-25?
ATENOLOL-CHLORTHALIDONE 100-25 (NDC 29300040101) is labeled by Unichem Pharmaceuticals (USA) Inc., and CMS classifies it as a generic product.