Topical antiparasitic (avermectin) · For Cats · 18 lb
How much Revolution for a 18 lb cat?
A 18 lb cat (8.2 kg) should receive approximately 49.0 mg of Revolution per dose, given once monthly (topical application).
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 · 18 lb cat
Revolution dose for a 18 lb cat
Low Dose
49.0
mg
Standard
49.0
mg
Max Safe
98.0
mg
Frequency
once monthly (topical application)
Weight in kg
8.2 kg
Always confirm with your veterinarian before administering medication. These calculations are estimates based on published veterinary pharmacology references.
Other Weights
Revolution for a different size cat
FAQ · 18 lb cat
Questions about Revolution for a 18 lb cat
How much Revolution for a 18 lb cat?
What is the safe dose range of Revolution for a 18 lb cat?
How often can I give Revolution to a 18 lb cat?
Need a different weight?
Use the calculator on the main Revolution page for any exact weight, or read the full dosage chart and safety information.
Full Revolution 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 Selamectin.
Read more about our methodology and how we calculate dosages.