CELONTIN vs ZONEGRAN

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated June 7, 2026·How we rate

Possible drug interaction. CELONTIN 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	CELONTIN	ZONEGRAN
Rating	New	New
Pharmacy pays	—	~$3.16 /30
Type	RX	RX
Active ingredient	METHSUXIMIDE	ZONISAMIDE
Manufacturer	Parke Davis	Advanz Pharma
Dosage forms	Capsule	Capsule
Drug class	Anti-Epileptic Agent	Anti-Epileptic Agent
Boxed warning	None	None
Treats	Absence Epilepsy	Partial Epilepsies

celontin zonegran

Rating

New

Pharmacy pays

—

~$3.16 /30

Type

Active ingredient

METHSUXIMIDE

ZONISAMIDE

Manufacturer

Parke Davis

Advanz Pharma

Dosage forms

Capsule

Drug class

Anti-Epileptic Agent

Boxed warning

None

Treats

Absence Epilepsy

Partial Epilepsies

Frequently asked questions

What is the difference between Celontin and Zonegran?

Celontin contains Methsuximide, 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.