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About ethosuximide

Ethosuximide (Zarontin) is an expensive drug used to control seizures in certain types of epilepsy. This drug is less popular than comparable drugs. It is available in brand and generic form. Generic zarontin is covered by most Medicare and insurance plans, but some pharmacy coupons or cash prices may be lower.

Get Ethosuximide for as low as $30.83, which is 75% off the average retail price of $122.21 for the most common version, by using a GoodRx coupon.

Generic Zarontin

Ethosuximide

Ethosuximide

Drug Info Side Effects Dosage Medicare

Ethosuximide

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Ways to save on ethosuximide

These programs and tips can help make your prescription more affordable

Gold coin

Neurontin

Price with companion

$30.33

for Companion members

200+ medications are free, with hundreds more under $10. Plans start at $9.99/mo. (when paid yearly). Terms apply.

Standard GoodRx price

$40.64

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*Prices subject to change without notice. Sales tax may apply and is not included.

retail$137.34

GoodRx coupon prices last updated on 08/01/26.

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Ethosuximide prices by dosage

Ethosuximide capsule prices

Ethosuximide ml of oral solution prices

Dosage	Quantity	Retail price	GoodRx price

Dosage	Quantity	Retail price	GoodRx price

250mg

120 capsules

$300.95

250mg/ 5ml

300 ml

$69.65