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K9 Advantix II XL is a monthly topical treatment for dogs over 55 lbs. It kills fleas, ticks, mosquitoes, biting flies and lice, with fleas dying within 12 hours of application. It is waterproof after 24 hours and needs no prescription. Unlike chewable flea pills, it is a spot-on liquid applied between the shoulder blades, and it covers mosquitoes and biting flies that most flea-only products ignore. Owners like the broad coverage and the fragrance-free formula; the main complaints are the greasy residue at the application site and the need to keep treated dogs away from cats.
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Owners of large dogs report fast flea knockdown and good tick and mosquito control through the month. Many mention the greasy application site and the need to keep cats away until it dries.
K9 Advantix II XL is a monthly topical flea, tick and mosquito treatment for extra large dogs over 55 lbs. It protects against fleas, ticks, mosquitoes, biting flies and lice. It works on both indoor and outdoor dogs.
The vet-recommended formula kills and repels on contact, so fleas don't have to bite a dog to die. It starts working within 12 hours of the first application and kills adult fleas on contact. This stops existing flea infestations and helps prevent new ones.
It is fragrance-free and becomes waterproof after 24 hours. No prescription is needed.
