Compared across 6 stores. Prices are checked against each store and labelled with when. Store links may earn us a commission. Price via Klarna.
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K9 Advantix II is a topical spot-on treatment for small dogs that kills fleas, ticks, mosquitoes, lice and biting flies, and repels the ones it does not kill. It is a Bayer product built around imidacloprid and permethrin, applied monthly between the shoulder blades. Vets and owners rate it highly for repelling ticks and mosquitoes, which most flea-only drops do not do. The trade-off is that permethrin is toxic to cats, so households with cats need to keep them away from treated dogs until the application site dries.
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Store links may earn us a commission. Some prices via Klarna.
Lowest price we've seen: $57.48 on Nov 11 at Walmart. Tracked across 6 stores since Nov 11.
Owners and vets generally rate K9 Advantix II as one of the stronger spot-on options, especially where ticks and mosquitoes are a real problem. Most complaints center on cats in the home and on occasional skin reactions at the application site.
K9 Advantix II Small Dog Flea & Tick Treatment is a flea and tick product for dogs. It comes as a pack of 4.
It is made for mini dogs weighing 1 to 10 kg, and for adult and senior dogs.
