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ETHOSUXIMIDE vs ZARONTIN

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 20, 2026·How we rate

Rating

56/100
New

Pharmacy pays

~$7.42 /30
~$7.42 /30

Type

RX
RX

Active ingredient

ETHOSUXIMIDE
ETHOSUXIMIDE

Manufacturer

Dosage forms

Capsule, Solution
Capsule, Solution

Drug class

Boxed warning

None
None

Treats

Absence Epilepsy
Absence Epilepsy

Frequently asked questions

Which is cheaper, Ethosuximide or Zarontin?

Pharmacies pay about the same to acquire either one — roughly $7.42 for a 30-count supply, per the CMS NADAC survey. That is not what you will be charged: your price is set by your insurer and the pharmacy, not by what the drug cost them.

What is the difference between Ethosuximide and Zarontin?

Both Ethosuximide and Zarontin share the active ingredient Ethosuximide.

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.