VALPROATE SODIUM vs ZONEGRAN

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 21, 2026·How we rate

Possible drug interaction. VALPROATE SODIUM and ZONEGRAN 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.

Attribute	VALPROATE SODIUM	ZONEGRAN
Rating	70/100	New
Pharmacy pays	—	~$3.16 /30
Type	RX	RX
Active ingredient	VALPROATE SODIUM	ZONISAMIDE
Manufacturer	Sagent	Advanz Pharma
Dosage forms	Injectable, Solution	Capsule
Drug class	Anti-Epileptic Agent	Anti-Epileptic Agent
Boxed warning	Boxed warning	None
Half-life	about 9 to 16 hours (the label's mean terminal, or elimination, half-life for valproate monotherapy after oral doses of 250 to 1,000 mg)	—
Treats	—	Partial Epilepsies

valproate sodium zonegran

Rating

70/100

New

Pharmacy pays

—

~$3.16 /30

Type

Active ingredient

VALPROATE SODIUM

ZONISAMIDE

Manufacturer

Sagent

Advanz Pharma

Dosage forms

Injectable, Solution

Capsule

Drug class

Anti-Epileptic Agent

Boxed warning

None

Half-life

about 9 to 16 hours (the label's mean terminal, or elimination, half-life for valproate monotherapy after oral doses of 250 to 1,000 mg)

—

Treats

—

Partial Epilepsies

Frequently asked questions

What is the difference between Valproate Sodium and Zonegran?

Valproate Sodium contains Valproate Sodium, while Zonegran contains Zonisamide — 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.