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Active substance

Zonisamide

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Sulfonamide antiepileptic. Registered in Georgia: 1 human medicine. Forms: capsule.

Dose and use

Doses

Each dose comes with its source. Check the label of the product you use.

Active substance Zonisamide
Dose calculatorCalculates the active-substance amount; it is not a prescription.
PatientSpecies and weight will be filled in automatically in other calculators.
Selected dose
Dose Species Indication Route Frequency Source
3–7 mg/kg
off-label
 Dog Epilepsy By mouth 2 times daily
IVETF 2015
Guideline or consensus statement
Recommendations agreed by a panel of veterinary specialists after reviewing the evidence. They guide practice and do not authorise a product.
International Veterinary Epilepsy Task Force consensus proposal: medical treatment of canine epilepsy in Europe
BMC Veterinary Research 11:176, 2015
Before use

Safety information

Known Contraindications

  • Warning
    Zonisamide is a sulfonamide: keratoconjunctivitis sicca and polyarthropathy have been reported - check tear production. Sedation, ataxia, vomiting and inappetence are common; titrate up. Phenobarbital increases its clearance by about half; caution with other carbonic anhydrase inhibitors.
    Sources: ACVIM · JVIM
  • Warning (Cat)
    Cat: suspected zonisamide hypersensitivity syndrome (generalised lymphadenopathy, hyperglobulinaemia, cytopenias) resolved only after zonisamide was stopped.
Latin name
Zonisamide
Georgian name
ზონისამიდი
Registered in Georgia
1 of 2 forms
Products
Excegran, Zonegran
Controlled in Georgia
Unknown
All forms and registration2

Registration in Georgia and abroad: the register, number, validity and source are behind (i).

Professional reference for veterinary professionals. Not advertising and not a substitute for the product label/SPC.

For veterinary professionals only. It does not replace clinical judgement or the product label; check the dose in the official label (SPC). vetman is not liable for harm caused by using this information.

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This reference is still growing. Missing a product? Let us know. · Report an error or request an addition · Updated: 29 Oct 2026

All of this shows in vetman as you prescribe

The dose for the patient's weight, registration in Georgia and controlled status, right on the prescription.

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