Product Information
CARBAMAZEPINE ER 400 MG TABLET is a generic product labeled by Torrent Pharmaceuticals Limited, priced at $0.6528 per EA under NDC 13668028601. Its NADAC has been published 34 times since Feb 11, 2026.
FDA first approved this application on Jan 13, 2025. Its Orange Book therapeutic-equivalence code is AB — FDA rates it therapeutically equivalent to (substitutable for) its reference product.
Strength
400 mg/1
Manufacturer
Torrent Pharmaceuticals LimitedNDC
13668028601
Classification
Generic
Dosage Form
TABLET, EXTENDED RELEASE
Route
ORAL
Effective Date
9/23/2026
Active Ingredients
CARBAMAZEPINEApproval Type
Generic (ANDA)
FDA Application
ANDA212524FDA Approved
1/13/2025
TE Code
AB
On Market Since
9/10/2025
Pharmacological Classes
Price Statistics
The NADAC for CARBAMAZEPINE ER 400 MG TABLET has been published 34 times since Feb 11, 2026, and over the history we have for it it has held within roughly two percent of its current level. The table below summarizes its recorded NADAC range and movement.
| Current price | $0.6528 per EA |
|---|---|
| All-time high | $0.6596 (Feb 11, 2026) |
| All-time low | $0.5655 (Apr 22, 2026) |
| 52-week high | $0.6596 |
| 52-week low | $0.5655 |
| Median price | $0.6070 |
| Average price | $0.6037 |
| Largest weekly change | -7.9% (Feb 18, 2026) |
| Weeks tracked | 34 |
| Tracking since | Feb 11, 2026 |
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
Torrent Pharmaceuticals Limited 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 Torrent Pharmaceuticals Limited, is $0.6528 per EA (NDC 13668028601), 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 held within roughly two percent of its current level. It has been tracked across 34 weekly CMS publications since Feb 11, 2026.
What are the highest and lowest recorded NADAC prices for CARBAMAZEPINE ER 400 MG TABLET?
Since Feb 11, 2026, the NADAC for CARBAMAZEPINE ER 400 MG TABLET has ranged from a low of $0.5655 (Apr 22, 2026) to a high of $0.6596 (Feb 11, 2026), with a median of $0.6070 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 13668028601) is labeled by Torrent Pharmaceuticals Limited, and CMS classifies it as a generic product.