Product Information
ZENATANE 40 MG CAPSULE is a generic product labeled by Dr. Reddy's Laboratories Inc., priced at $2.2078 per EA under NDC 55111013781. Its NADAC has been published 671 times since Nov 28, 2013.
FDA first approved this application on Mar 25, 2013. Its Orange Book therapeutic-equivalence code is AB1 — FDA rates it therapeutically equivalent to (substitutable for) its reference product.
Strength
40 mg/1
Manufacturer
Dr. Reddy's Laboratories Inc.NDC
55111013781
Classification
Generic
Dosage Form
CAPSULE, GELATIN COATED
Route
ORAL
Effective Date
9/23/2026
Active Ingredients
ISOTRETINOINApproval Type
Generic (ANDA)
FDA Application
ANDA202099FDA Approved
3/25/2013
TE Code
AB1
On Market Since
3/26/2013
Pharmacological Classes
Price Statistics
The NADAC for ZENATANE 40 MG CAPSULE has been published 671 times since Nov 28, 2013, and over the history we have for it it has declined 69.8%. The table below summarizes its recorded NADAC range and movement.
| Current price | $2.2078 per EA |
|---|---|
| All-time high | $7.7744 (Jun 11, 2014) |
| All-time low | $1.9456 (Nov 20, 2024) |
| 52-week high | $2.4672 |
| 52-week low | $2.0775 |
| Median price | $3.2105 |
| Average price | $4.1308 |
| Largest weekly change | +28.0% (Aug 21, 2024) |
| Weeks tracked | 671 |
| Tracking since | Nov 28, 2013 |
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.
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
Dr. Reddy's Laboratories Inc. manufacturer profile
See the full portfolio, pricing trend, and other products from this labeler.
Drug market
ISOTRETINOIN market comparison
Compare this molecule across participating manufacturers and inspect the broader market price spread.
Therapeutic class
Retinoid 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 ZENATANE 40 MG CAPSULE?
The current National Average Drug Acquisition Cost (NADAC) for ZENATANE 40 MG CAPSULE, manufactured by Dr. Reddy's Laboratories Inc., is $2.2078 per EA (NDC 55111013781), effective Sep 30, 2026.
How has the price of ZENATANE 40 MG CAPSULE changed over time?
Over the history we have for it, the NADAC for ZENATANE 40 MG CAPSULE has declined 69.8%. It has been tracked across 671 weekly CMS publications since Nov 28, 2013.
What are the highest and lowest recorded NADAC prices for ZENATANE 40 MG CAPSULE?
Since Nov 28, 2013, the NADAC for ZENATANE 40 MG CAPSULE has ranged from a low of $1.9456 (Nov 20, 2024) to a high of $7.7744 (Jun 11, 2014), with a median of $3.2105 per EA.
Are there cheaper alternatives to ZENATANE 40 MG CAPSULE?
2 manufacturers publish a NADAC-priced product with the same active ingredient and strength as ZENATANE 40 MG CAPSULE in a comparable dosage form, but none are currently priced below it.
Who manufactures ZENATANE 40 MG CAPSULE?
ZENATANE 40 MG CAPSULE (NDC 55111013781) is labeled by Dr. Reddy's Laboratories Inc., and CMS classifies it as a generic product.