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Zonisamide 100 mg Capsule Rx

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Product Overview

How To Use

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Questions & Answers

Product Description

Zonisamide (Sulfonamide anti-seizure medication) is unrelated to other anti-seizure agents and is chemically classified as a sulfonamide. Sold per Capsule.

What is Zonisamide 100 mg Capsule?

Zonisamide is an antiseizure drug chemically classified as a sulfonamide and unrelated to other antiseizure agents.

Who is Zonisamide 100 mg Capsule for?

For use in cats and dogs.

Why use Zonisamide 100 mg Capsule?

Features of Zonisamide:
  • Minimal adverse reactions compared to other seizure drugs
  • Seizures can be controlled in cats with as little as once-daily administration
  • May help in the control of seizures by itself or combined with other types of therapy

How does Zonisamide 100 mg Capsule work?

While the specific mechanism of action is not known, Zonisamide is thought to block sodium channels within the brain, decreasing the activity of nerve cells, preventing them from firing abnormally. It might also change the levels of calcium within the brain.


Invagen Pharmaceuticals

Active ingredient(s):


How is Zonisamide 100 mg Capsule sold?

Sold by the capsule in 100 mg strength

What are the side effects of Zonisamide 100 mg Capsule?

The most frequently reported adverse reactions include:
  • Nausea
  • Weight loss
  • Loss of appetite

What special precautions are there?

  • Do not administer to pregnant animals. Birth defects have occurred in fetuses exposed to this medication.
  • If your pet has known kidney or liver disease, use Zonisamide cautiously, only if your veterinarian has recommended it, and only if the benefits are greater than the potential risks.
  • Do not administer to pets with allergies to sulfonamides or similar medications.

What to do if overdose?

Contact your closest animal hospital

How can I store Zonisamide 100 mg Capsule?

Store at room temperature in a location that is out of sunlight. Keep away from children and pets.

Helpful Tips:

  • should always be given whole and should not be broken.
  • may be administered with or without food.
  • should be administered only when veterinarian’s instructions are carefully followed.
  • requires your pet to have constant access to water.
If you have any questions at all about administering Zonisamide correctly, contact your veterinarian.

Pharmacists are standing by to offer Pet Parent counseling regarding prescription medication purchased from Allivet before and after dispensing. Pharmacists on duty are available Monday-Friday, 9:30AM - 5:30PM EST and will be on call Saturday 12:00PM - 4:00PM EST for consultation.

Use as prescribed by your vet.


Learn how to treat seizures in dogs. Click Epilepsy in Dogs. 

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Zonisamide 100 mg Capsule

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