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K9 Advantix II is a monthly topical treatment that kills and repels fleas, ticks, mosquitoes, biting flies and lice on dogs. Its main difference from most flea and tick drops is repellency: it keeps ticks, fleas and mosquitoes from attaching or biting, which is how it aims to block disease transmission. It is waterproof and approved for dogs 7 weeks and older weighing 4 lbs or more. It is not for cats, and it is one of the few dog spot-ons that also targets mosquitoes and biting flies.
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Lowest price we've seen: $19.97 on Nov 12 at Amazon. Tracked across 15 stores since Nov 12.
Owners generally report strong flea and tick control, especially in tick-heavy areas, and like that it repels rather than only kills. Complaints center on application-site irritation and the strict cat warning.
K9 Advantix II is a monthly topical treatment for dogs. It prevents and treats ticks, fleas, mosquitoes, biting flies and lice. It repels as well as kills, so ticks are less likely to attach and fleas and mosquitoes are less likely to bite and pass on disease-causing organisms.
It kills fleas that can lead to disease, tapeworms and flea allergy dermatitis. That condition can cause hair loss, skin inflammation, irritation and severe scratching. It also kills biting mosquitoes and flies, which irritate dogs and can lead to scratching and secondary skin infections.
It repels and kills deer ticks, American dog ticks, Lone Star ticks and brown dog ticks. It treats, prevents and controls lice infestation. The formula is waterproof. It is for use only on dogs, not on cats or other animals.
