Pyriprole
Pyriprole
Chemical compound
Pyriprole (trade name Prac-tic) is for veterinary use on dogs against external parasites such as fleas and ticks.[1][2]
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Pyriprole is a phenylpyrazole derivative similar to fipronil. Although recently introduced (in the 2000s) and still under patent protection it is a "classic" insecticide.[clarification needed] So far it is only approved in the EU and a few other countries for use on dogs. It is not approved for use on cats or livestock. It has not been introduced as an agricultural or hygiene pesticide.
Pyriprole applied as a spot-on is highly effective against fleas and several ticks species. Efficacy against fleas is comparable to that of other modern insecticidal active ingredients such as fipronil, imidacloprid or spinosad. As most flea spot-ons it controls existing flea and tick infestations in about 1 to 2 days, and provides about 4 weeks protection against re-infestations.