: Prescription "Multi" versions are found at Allivet and PetMeds.
: If you are looking for a single-month supply for dogs (similar to the cat version), this is typically only available via prescription from veterinarians or pharmacies like Allivet. Where to Buy
Single doses are widely available for cats, categorized by their weight: buy single dose advantage
(1.8–9 lbs): Similar to the large version, this single topical dose offers two months of protection. You can find it at Petco .
