Most non-prescription Advantage II treatments for dogs are sold in packs of 2, 4, or 6. However, you can find small-count packs that serve as an entry point:
: Prescription "Multi" versions are found at Allivet and PetMeds. buy single dose advantage
Single doses are widely available for cats, categorized by their weight: Most non-prescription Advantage II treatments for dogs are
(Over 9 lbs): A single dose provides two months of continuous protection. It is available as a 1-count pack at retailers like Petco and Chewy . or 6. However
Advantage XD 1-Topical Dose, 2-Months of Protection ... - Petco