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DEPAKOTE ER vs STAVZOR

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 19, 2026·How we rate

Possible drug interaction. DEPAKOTE ER and STAVZOR are different prescription medicines. Combining or switching between them can cause interactions — talk to a pharmacist or prescriber before making changes. This page is not medical advice.

depakote erstavzor

Rating

70/100
70/100

Pharmacy pays

~$5.99 /30
~$1.02 /30

Type

RX
RX

Active ingredient

DIVALPROEX SODIUM
VALPROIC ACID

Manufacturer

Abbott
Bionpharma

Dosage forms

Tablet, extended release
Capsule, delayed release

Drug class

Anti-Epileptic Agent
Anti-Epileptic Agent

Boxed warning

None
None

Half-life

about 9 to 16 hours (the label's mean terminal half-life range for valproate monotherapy)
—

Treats

Bipolar Disorder, Epilepsy, Absence Epilepsy
Alzheimer Disease, Bipolar Disorder, Epilepsy

Frequently asked questions

Which is better-rated, Depakote ER or Stavzor?

Depakote ER and Stavzor are tied at 3.5 out of 5 by our independent rating.

Which is cheaper, Depakote ER or Stavzor?

Stavzor costs pharmacies less to acquire — about $1.02 vs $5.99 for a 30-count supply, per the CMS NADAC survey. That gap is in the pharmacy's cost of goods, not necessarily in what you pay: your price is set afterwards by your insurer and the pharmacy.

What is the difference between Depakote ER and Stavzor?

Depakote ER contains Divalproex Sodium, while Stavzor contains Valproic Acid — they have different active ingredients.

Ratings are based on FDA regulatory (recall-safety) data. This comparison is for general reference only — not medical advice. Always consult a licensed professional before choosing or switching a medication.