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Zonisamide
  • Treatments
  • Seizures

Zonisamide

Generic name: zonisamide [ zoe-NIS-a-mide ]
Brand name: Zonegran
Dosage form: oral capsule (100 mg; 25 mg; 50 mg)
Drug class:Carbonic anhydrase inhibitor anticonvulsants

Medically reviewed by Drugs.com on May 11, 2022. Written by Cerner Multum.

What is zonisamide?

Zonisamide is used together with other medicines to treat partial seizures in adults and teenagers at least 16 years old.

Zonisamide may also be used for purposes not listed in this medication guide.

Warnings

Taking zonisamide can cause permanent vision loss. Tell your doctor right away if you have any eye pain or redness or any changes in your vision.

Some people have thoughts about suicide while taking zonisamide. Stay alert to changes in your mood or symptoms. Report any new or worsening symptoms to your doctor.

Before taking this medicine

You should not use zonisamide if you are allergic to it.

You may not be able to take zonisamide if you have ever had a severe allergic to a sulfa drug.

Tell your doctor if you have ever had: