Product Information
DIVALPROEX SOD ER 500 MG TAB is a generic product labeled by Dr. Reddy's Laboratories Inc., priced at $0.1836 per EA under NDC 55111053405. Its NADAC has been published 665 times since Nov 28, 2013.
FDA first approved this application on Mar 12, 2012. Its Orange Book therapeutic-equivalence code is AB — FDA rates it therapeutically equivalent to (substitutable for) its reference product.
Strength
500 mg/1
Manufacturer
Dr. Reddy's Laboratories Inc.NDC
55111053405
Classification
Generic
Dosage Form
TABLET, EXTENDED RELEASE
Route
ORAL
Effective Date
8/19/2026
Active Ingredients
DIVALPROEX SODIUMApproval Type
Generic (ANDA)
FDA Application
ANDA090070FDA Approved
3/12/2012
TE Code
AB
On Market Since
8/11/2013
Pharmacological Classes
Price Statistics
The NADAC for DIVALPROEX SOD ER 500 MG TAB has been published 665 times since Nov 28, 2013, and over the history we have for it it has declined 93.8%. The table below summarizes its recorded NADAC range and movement.
| Current price | $0.1836 per EA |
|---|---|
| All-time high | $2.9495 (Dec 11, 2013) |
| All-time low | $0.1508 (Nov 20, 2024) |
| 52-week high | $0.1990 |
| 52-week low | $0.1679 |
| Median price | $0.3002 |
| Average price | $0.6257 |
| Largest weekly change | -24.0% (Nov 20, 2024) |
| Weeks tracked | 665 |
| Tracking since | Nov 28, 2013 |
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 33% at current NADAC. These are candidates to verify clinically, not guaranteed substitutes — see our generic drug prices guide.
Related Drugs
Same classification
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 Dr. Reddy's Laboratories Inc., is $0.1836 per EA (NDC 55111053405), effective Aug 19, 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 93.8%. It has been tracked across 665 weekly CMS publications since Nov 28, 2013.
What are the highest and lowest recorded NADAC prices for DIVALPROEX SOD ER 500 MG TAB?
Since Nov 28, 2013, the NADAC for DIVALPROEX SOD ER 500 MG TAB has ranged from a low of $0.1508 (Nov 20, 2024) to a high of $2.9495 (Dec 11, 2013), with a median of $0.3002 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 33% below DIVALPROEX SOD ER 500 MG TAB.
Who manufactures DIVALPROEX SOD ER 500 MG TAB?
DIVALPROEX SOD ER 500 MG TAB (NDC 55111053405) is labeled by Dr. Reddy's Laboratories Inc., and CMS classifies it as a generic product.