Veterinarian recommended Advantage II kills parasites through contact – no biting required. Did you know that flea bites can cause flea allergy dermatitis (FAD) and skin infections? A single flea can lay up to 50 eggs per day leading to infestations even in your home. Get multi-stage flea protection for your cat today, from Canada's most trusted brand – Advantage II.Safe for cats and kittens 8 weeks and older. Breaks the flea life cycle to treat and control flea infestations in the home. Kills fleas through contact – no biting required. Contains two, monthly applications of the flea protection for cats weighing over 4 kg and for pet rabbits 4 months and older weighing over 4 kg. Easy-to-apply topical treatment can be used monthly for year-round protection.