Product Information
CARBAMAZEPINE ER 400 MG TABLET is a generic product labeled by Sun Pharmaceutical Industries Inc., priced at $0.6528 per EA under NDC 51672412501. Its NADAC has been published 671 times since Nov 28, 2013.
FDA first approved this application on Mar 31, 2009. Its Orange Book therapeutic-equivalence code is AB — FDA rates it therapeutically equivalent to (substitutable for) its reference product.
Strength
400 mg/1
Manufacturer
Sun Pharmaceutical Industries Inc.NDC
51672412501
Classification
Generic
Dosage Form
TABLET, EXTENDED RELEASE
Route
ORAL
Effective Date
9/23/2026
Active Ingredients
CARBAMAZEPINEApproval Type
Generic (ANDA)
FDA Application
ANDA078115FDA Approved
3/31/2009
TE Code
AB
On Market Since
3/31/2009
Pharmacological Classes
Price Statistics
The NADAC for CARBAMAZEPINE ER 400 MG TABLET has been published 671 times since Nov 28, 2013, and over the history we have for it it has declined 70.8%. The table below summarizes its recorded NADAC range and movement.
| Current price | $0.6528 per EA |
|---|---|
| All-time high | $3.3129 (Dec 14, 2016) |
| All-time low | $0.5156 (Nov 20, 2024) |
| 52-week high | $0.7270 |
| 52-week low | $0.5655 |
| Median price | $2.2092 |
| Average price | $1.8931 |
| Largest weekly change | +78.1% (May 17, 2023) |
| Weeks tracked | 671 |
| Tracking since | Nov 28, 2013 |
Generic Alternatives
The matcher finds 5 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 8% 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
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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 Sun Pharmaceutical Industries Inc., is $0.6528 per EA (NDC 51672412501), 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 70.8%. It has been tracked across 671 weekly CMS publications since Nov 28, 2013.
What are the highest and lowest recorded NADAC prices for CARBAMAZEPINE ER 400 MG TABLET?
Since Nov 28, 2013, the NADAC for CARBAMAZEPINE ER 400 MG TABLET has ranged from a low of $0.5156 (Nov 20, 2024) to a high of $3.3129 (Dec 14, 2016), with a median of $2.2092 per EA.
Are there cheaper alternatives to CARBAMAZEPINE ER 400 MG TABLET?
Yes. 5 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 $0.6009 per EA — about 8% below CARBAMAZEPINE ER 400 MG TABLET.
Who manufactures CARBAMAZEPINE ER 400 MG TABLET?
CARBAMAZEPINE ER 400 MG TABLET (NDC 51672412501) is labeled by Sun Pharmaceutical Industries Inc., and CMS classifies it as a generic product.