Ondansetron Tablets (Rx)

  • Prescription
  • Cats
  • Dogs
  • Digestion
Ondansetron Tablets (Rx)
Ondansetron is an antiemetic indicated for the prevention and treatment of severe vomiting in dogs and cats.
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($7.59 / unit)

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Medication information

What is Ondansetron?

Ondansetron is a prescription antiemetic medication prescribed by veterinarians for the prevention and treatment of nausea and severe vomiting in dogs and cats. This is an FDA-approved drug for humans that’s regularly prescribed off-label for dogs and cats.


Ondansetron is the generic for Zofran and Zuplenz.

What does Ondansetron treat?

Ondansetron treats severe vomiting and nausea, especially due to chemotherapy and vestibular disease in dogs, and chronic kidney disease in cats.

How is Ondansetron given?

Ondansetron tablets should be given orally according to the directions from your veterinarian.

Who is Ondansetron for?

Dogs and cats

What are the active ingredients of Ondansetron?

Ondansetron is the active ingredient.

What are the possible side effects of Ondansetron?

Side effects of Ondanetron are uncommon in cats and dogs, but may include constipation, diarrhea, sleepiness, or head shaking. Rare but serious side effects include abnormal heart rhythms (arrhythmias) and low blood pressure, which may cause fainting.

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