Imidacloprid/permethrin/pyriproxyfen, sold under the trade name K9 Advantix II, is a combination

insecticide Insecticides are substances used to kill insects. They include ovicides and larvicides used against insect eggs and larvae, respectively. Insecticides are used in agriculture, medicine, industry and by consumers. Insecticides are claimed to b ...

product for dogs, used for the treatment and prevention of an array of common external parasites. It is effective against

fleas Flea, the common name for the order Siphonaptera, includes 2,500 species of small flightless insects that live as external parasites of mammals and birds. Fleas live by ingesting the blood of their hosts. Adult fleas grow to about long, ar ...

, ticks,

chewing lice The Mallophaga are a possibly paraphyletic section of lice Louse ( : lice) is the common name for any member of the clade Phthiraptera, which contains nearly 5,000 species of wingless parasitic insects. Phthiraptera has variously been reco ...

and mosquitoes. The active ingredients are imidacloprid,

permethrin Permethrin is a medication and an insecticide. As a medication, it is used to treat scabies and lice. It is applied to the skin as a cream or lotion. As an insecticide, it can be sprayed onto clothing or mosquito nets to kill the insects that t ...

, and

pyriproxyfen Pyriproxyfen is a pesticide which is found to be effective against a variety of insects. It was introduced to the US in 1996, to protect cotton crops against whitefly. It has also been found useful for protecting other crops. It is also used as a ...

. This product is toxic to cats, and it is not recommended to use it on dogs which share an environment with cats. The product is applied onto the skin; administration of the product into the mouth can cause adverse effects.

References

Dog medications Combination drugs {{Veterinary-med-stub