K9 Advantix® II Flea & Tick Treatment for Dogs Over 55 lb – 4 Doses (4-Month Supply)

Help protect your dog from more than just fleas with K9 Advantix® II for Dogs Over 55 lb. This veterinarian-recommended, monthly topical treatment defends against fleas, ticks, mosquitoes, biting flies, and lice—all without the need for a prescription.

K9 Advantix II kills and repels on contact, so fleas don’t have to bite your dog to die. It gets to work quickly, killing fleas within 12 hours of application, helping stop existing infestations and prevent new ones by eliminating adult fleas before they can lay eggs. Monthly use also helps protect against flea-related health concerns, including flea allergy dermatitis and the transmission of tapeworms.

The easy spot-on application takes just seconds and is fragrance-free and waterproof after 24 hours, making it a convenient choice for active dogs. Suitable for both indoor and outdoor dogs, K9 Advantix II helps keep your dog comfortable and protected all month long.