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Zonisamide
Pronounced zo-NIS-ah-mide
Brand names: Zonegran
Type: Antiseizure medicine · All Neurology Medicines
What Zonisamide is used for
- Seizure disorders (add-on treatment)
- Focal seizures in adults
◆ Kidney note
Raises kidney stone risk by changing urine acidity — hydration matters and it is used cautiously with stone history.
Common side effects
- Drowsiness
- Dizziness
- Loss of appetite
- Nausea
- Irritability
Important cautions
- Related to sulfa medicines — allergy history matters
- Can reduce sweating and cause overheating, especially in children
How it comes
Capsules. This guide lists forms only — it never lists strengths or doses.
Toxicity lists: Zonisamide also appears on Medicines That Can Harm the Kidneys.
Related medicines — Neurology Medicines
Please note: This page is a patient-education summary, not medical advice, and it deliberately contains no doses. Medicines affect everyone differently — always follow your own prescription and talk to your doctor or pharmacist before starting, stopping or changing any medicine.