Serotonin (5-HT3) receptor antagonist antiemetic · For Dogs · 80 lb
How much Zofran for a 80 lb dog?
A 80 lb dog (36.3 kg) should receive approximately 27.2 mg of Zofran per dose, given Every 8-12 hours.
This dosage information is for educational purposes only. Always consult your veterinarian before giving any medication to your pet. Dosages may vary based on your pet's health conditions, other medications, and individual factors.
Content reviewed by licensed veterinarians. Sourced from Plumb's Veterinary Drug Handbook and the Merck Veterinary Manual.
Dosage · 80 lb dog
Zofran dose for a 80 lb dog
Low Dose
18.1
mg
Standard
27.2
mg
Max Safe
36.3
mg
Frequency
Every 8-12 hours
Weight in kg
36.3 kg
Always confirm with your veterinarian before administering medication. These calculations are estimates based on published veterinary pharmacology references.
Other Weights
Zofran for a different size dog
FAQ · 80 lb dog
Questions about Zofran for a 80 lb dog
How much Zofran for a 80 lb dog?
What is the safe dose range of Zofran for a 80 lb dog?
How often can I give Zofran to a 80 lb dog?
Need a different weight?
Use the calculator on the main Zofran page for any exact weight, or read the full dosage chart and safety information.
Full Zofran dosage guide →Sources · 09
Sources & references
The dosage information on this page is compiled from the following veterinary and pharmaceutical references:
- Plumb's Veterinary Drug Handbook — the standard veterinary pharmacology reference used by veterinarians worldwide.
- Merck Veterinary Manual — a trusted, peer-reviewed resource for veterinary professionals and pet owners.
- DailyMed (FDA Drug Labels) — official FDA-approved drug labeling and prescribing information for Ondansetron.
Read more about our methodology and how we calculate dosages.