Pyriprole kills fleas within 24 hours and ticks (Ixodes ricinus, Rhipicephalus sanguineus, Dermacentor reticulatus, Ixodes scapularis, Dermacentor variabilis, Amblyomma americanum) within 48 hours post-exposure.
A piriprol a bolhát 24 óra, a kullancsot (Ixodes ricinus, Ixodes hexagonus, Ixodes scapularis, Dermacentor reticularis, Rhipicephyalus sanguineus, Amblyomma americanum) 48 órával a behatás után pusztítja el.