STAVZOR vs ZONEGRAN

Independent side-by-side comparison.

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

Possible drug interaction. STAVZOR 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	STAVZOR	ZONEGRAN
Rating	70/100	New
Pharmacy pays	~$1.02 /30	~$3.16 /30
Type	RX	RX
Active ingredient	VALPROIC ACID	ZONISAMIDE
Manufacturer	Bionpharma	Advanz Pharma
Dosage forms	Capsule, delayed release	Capsule
Drug class	Anti-Epileptic Agent	Anti-Epileptic Agent
Boxed warning	None	None
Treats	Alzheimer Disease, Bipolar Disorder, Epilepsy	Partial Epilepsies

stavzor zonegran

Rating

70/100

New

Pharmacy pays

~$1.02 /30

~$3.16 /30

Type

Active ingredient

VALPROIC ACID

ZONISAMIDE

Manufacturer

Bionpharma

Advanz Pharma

Dosage forms

Capsule, delayed release

Capsule

Drug class

Anti-Epileptic Agent

Boxed warning

None

Treats

Alzheimer Disease, Bipolar Disorder, Epilepsy

Partial Epilepsies

Frequently asked questions

Which is cheaper, Stavzor or Zonegran?

Stavzor costs pharmacies less to acquire — about $1.02 vs $3.16 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 Stavzor and Zonegran?

Stavzor contains Valproic Acid, 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.