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Zonisamide 25 mg Capsule Rx

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Product Overview

How To Use

What’s in it?


Questions & Answers

Product Description

Zonisamide (Sulfonamide) Anti-Seizure Capsules are chemically classified as sulfonamide drugs. They are not related to other anti-seizure medications.
Sold per Capsule.

Who is Zonisamide 25 mg Capsule for?

For use in cats and dogs.

Why use Zonisamide 25 mg Capsule?

Features of Zonisamide:
  • Offers low risk of adverse reactions compared to other seizure medications
  • For cats, once daily administration may adequately control seizures
  • Can be used independently or in combination with other medications for seizure control

How does Zonisamide 25 mg Capsule work?

While the exact mode of action is not fully understood, it is theorized that Zonisamide blocks sodium channels within the brain, decreasing nerve cell activity and preventing them from abnormally firing. It may alter levels of calcium within the brain as well.


Sun Pharmaceutical

Active ingredient(s):


How is Zonisamide 25 mg Capsule sold?

Sold by the capsule in 25 mg strength

What are the side effects of Zonisamide 25 mg Capsule?

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

What special precautions are there?

  • Not safe for use in pregnant females. Birth defects may occur in Zonisamide-exposed fetuses.
  • Speak with your veterinarian to weigh the benefits and risks of Zonisamide use in dogs with kidney or liver disease.
  • Do not administer to pets who are allergic to sulfonamides or similar drugs.

What to do if overdose?

Contact your closest animal hospital.

How can I store Zonisamide 25 mg Capsule?

Store at room temperature. Keep away from children, pets, and light.

Helpful Tips:

  • Follow your veterinarian's exact instructions for administration.
  • Offer constant access to plenty of water while your pet is taking this medication.
  • Zonisamide may be administered without or with food.
  • Do not break the capsule. Always administer whole.
  • If you are unclear about administration instructions, 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.

Main Ingredients


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Zonisamide 25 mg Capsule

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Is the price per pill or for a whole bottle.

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