Zarontin

(ethosuximide)

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Controls absence seizures.

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Our bottom line

Zarontin (ethosuximide) is a first choice medicine to treat absence seizures as it has less side effects than similar medicines. However, you can't use it for other types of seizures.

Quick facts about Zarontin
  • Drug class: Neuro/psych
  • Rx status: Prescription only
  • Generic status: Lower-cost generic available (ethosuximide)
Prices and discounts
Lowest price for 120 250mg capsules
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$91.56

Upsides

  • Zarontin (ethosuximide) is recommended for treating absence seizures in children because its side effects are less severe.
  • If you have other types of seizures, you can take Zarontin (ethosuximide) with your other seizure medicines.
  • Available in generic as both a pill and a liquid form.
  • Approved in children age 3 and older.
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Downsides

  • Zarontin (ethosuximide) is only recommended for absence or petit mal seizures. It can't be used to treat other types of seizures.
  • Your doctor will have to run blood tests regularly the first few weeks to make sure you're getting enough Zarontin (ethosuximide).
  • Zarontin (ethosuximide) can interact with a lot of medicines. Talk to your doctor to see if changes need to be made in your other medicines.
Prices and discounts
Lowest price for 120 250mg capsules
Determining your location...
$91.56
How it works

Zarontin (ethosuximide) is a succinimide. It controls seizures by stopping a signal in your nerves that can start seizures.

Quick facts about Zarontin
  • Drug class: Neuro/psych
  • Rx status: Prescription only
  • Generic status: Lower-cost generic available (ethosuximide)

Used for

  • Absence seizure

Dosage forms

  • Pill
  • Liquid
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What to expect when you take Zarontin (ethosuximide) for Absence seizures

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Side effect rates for Zarontin (ethosuximide)

Risks and Warnings for Zarontin (ethosuximide)

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  • Rarely, people taking Zarontin (ethosuximide) have had changes in their blood cell counts. This can make you more likely to get sick or have a hard time fighting off an illness. Your doctor will do regular blood tests to make sure your blood cell counts are ok. Talk to your doctor right away if you think you're getting sick more often.

Common concerns from people taking Zarontin (ethosuximide)

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Pregnancy
Kidneys and liver
  • Zarontin (ethosuximide) can rarely cause kidney or liver damage. If you already have kidney or liver problems, Zarontin (ethosuximide) might make it worse. Talk to your doctor to see if you should be taking this medicine.