Product Information
DIVALPROEX SOD ER 500 MG TAB is a generic product labeled by American Health Packaging, priced at $0.1943 per EA under NDC 68084041501. Its NADAC has been published 545 times since Feb 5, 2014.
FDA first approved this application on Feb 27, 2009. Its Orange Book therapeutic-equivalence code is AB — FDA rates it therapeutically equivalent to (substitutable for) its reference product.
Strength
500 mg/1
Manufacturer
American Health PackagingNDC
68084041501
Classification
Generic
Dosage Form
TABLET, FILM COATED, EXTENDED RELEASE
Route
ORAL
Effective Date
9/23/2026
Active Ingredients
DIVALPROEX SODIUMApproval Type
Generic (ANDA)
FDA Application
ANDA078239FDA Approved
2/27/2009
TE Code
AB
On Market Since
11/21/2013
Pharmacological Classes
Price Statistics
The NADAC for DIVALPROEX SOD ER 500 MG TAB has been published 545 times since Feb 5, 2014, and over the history we have for it it has declined 93.1%. The table below summarizes its recorded NADAC range and movement.
| Current price | $0.1943 per EA |
|---|---|
| All-time high | $2.8318 (Feb 12, 2014) |
| All-time low | $0.1679 (Jan 21, 2026) |
| 52-week high | $0.1943 |
| 52-week low | $0.1679 |
| Median price | $0.3290 |
| Average price | $0.6730 |
| Largest weekly change | -20.7% (Aug 22, 2018) |
| Weeks tracked | 545 |
| Tracking since | Feb 5, 2014 |
Generic Alternatives
The matcher finds 12 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 37% 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
American Health Packaging manufacturer profile
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Drug market
Divalproex Sodium market comparison
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Therapeutic class
Anti-epileptic Agent 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 DIVALPROEX SOD ER 500 MG TAB?
The current National Average Drug Acquisition Cost (NADAC) for DIVALPROEX SOD ER 500 MG TAB, manufactured by American Health Packaging, is $0.1943 per EA (NDC 68084041501), effective Sep 30, 2026.
How has the price of DIVALPROEX SOD ER 500 MG TAB changed over time?
Over the history we have for it, the NADAC for DIVALPROEX SOD ER 500 MG TAB has declined 93.1%. It has been tracked across 545 weekly CMS publications since Feb 5, 2014.
What are the highest and lowest recorded NADAC prices for DIVALPROEX SOD ER 500 MG TAB?
Since Feb 5, 2014, the NADAC for DIVALPROEX SOD ER 500 MG TAB has ranged from a low of $0.1679 (Jan 21, 2026) to a high of $2.8318 (Feb 12, 2014), with a median of $0.3290 per EA.
Are there cheaper alternatives to DIVALPROEX SOD ER 500 MG TAB?
Yes. 12 manufacturers publish a NADAC-priced product with the same active ingredient and strength in a comparable dosage form. The lowest-priced option, DIVALPROEX SOD DR 500 MG TAB, is $0.1228 per EA — about 37% below DIVALPROEX SOD ER 500 MG TAB.
Who manufactures DIVALPROEX SOD ER 500 MG TAB?
DIVALPROEX SOD ER 500 MG TAB (NDC 68084041501) is labeled by American Health Packaging, and CMS classifies it as a generic product.