Product Information
CARBAMAZEPINE ER 400 MG TABLET is a generic product labeled by Zydus Pharmaceuticals (USA) Inc., priced at $0.6528 per EA under NDC 68382055701. Its NADAC has been published 280 times since May 26, 2021.
FDA first approved this application on Feb 7, 2019. Its Orange Book therapeutic-equivalence code is AB — FDA rates it therapeutically equivalent to (substitutable for) its reference product.
Strength
400 mg/1
Manufacturer
Zydus Pharmaceuticals (USA) Inc.NDC
68382055701
Classification
Generic
Dosage Form
TABLET, EXTENDED RELEASE
Route
ORAL
Effective Date
9/23/2026
Active Ingredients
CARBAMAZEPINEApproval Type
Generic (ANDA)
FDA Application
ANDA205571FDA Approved
2/7/2019
TE Code
AB
On Market Since
3/12/2019
Pharmacological Classes
Price Statistics
The NADAC for CARBAMAZEPINE ER 400 MG TABLET has been published 280 times since May 26, 2021, and over the history we have for it it has declined 68.8%. The table below summarizes its recorded NADAC range and movement.
| Current price | $0.6528 per EA |
|---|---|
| All-time high | $2.1277 (Aug 11, 2021) |
| All-time low | $0.5156 (Nov 20, 2024) |
| 52-week high | $0.7270 |
| 52-week low | $0.5655 |
| Median price | $0.9479 |
| Average price | $1.1005 |
| Largest weekly change | +78.1% (May 17, 2023) |
| Weeks tracked | 280 |
| Tracking since | May 26, 2021 |
Generic Alternatives
The matcher finds 3 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 6% at current NADAC. These are candidates to verify clinically, not guaranteed substitutes — see our generic drug prices guide.
Related Drugs
Same classification
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Manufacturer
Zydus Pharmaceuticals (USA) Inc. manufacturer profile
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Drug market
carbamazepine market comparison
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Therapeutic class
Mood Stabilizer class view
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Trend hub
Latest market trends
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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 CARBAMAZEPINE ER 400 MG TABLET?
The current National Average Drug Acquisition Cost (NADAC) for CARBAMAZEPINE ER 400 MG TABLET, manufactured by Zydus Pharmaceuticals (USA) Inc., is $0.6528 per EA (NDC 68382055701), effective Sep 30, 2026.
How has the price of CARBAMAZEPINE ER 400 MG TABLET changed over time?
Over the history we have for it, the NADAC for CARBAMAZEPINE ER 400 MG TABLET has declined 68.8%. It has been tracked across 280 weekly CMS publications since May 26, 2021.
What are the highest and lowest recorded NADAC prices for CARBAMAZEPINE ER 400 MG TABLET?
Since May 26, 2021, the NADAC for CARBAMAZEPINE ER 400 MG TABLET has ranged from a low of $0.5156 (Nov 20, 2024) to a high of $2.1277 (Aug 11, 2021), with a median of $0.9479 per EA.
Are there cheaper alternatives to CARBAMAZEPINE ER 400 MG TABLET?
Yes. 3 manufacturers publish a NADAC-priced product with the same active ingredient and strength in a comparable dosage form. The lowest-priced option, CARBAMAZEPINE ER 400 MG TABLET, is $0.6133 per EA — about 6% below CARBAMAZEPINE ER 400 MG TABLET.
Who manufactures CARBAMAZEPINE ER 400 MG TABLET?
CARBAMAZEPINE ER 400 MG TABLET (NDC 68382055701) is labeled by Zydus Pharmaceuticals (USA) Inc., and CMS classifies it as a generic product.