“Kwayoyi da kaska bazai zama tunaninka na farko akan batun deworming ba, amma waɗannan ƙwayoyin cuta na iya yada cututtuka masu haɗari ga ku da dabbobinku.Ticks suna yada cututtuka masu tsanani, kamar Rocky Mountain Spotted Fever, Ehrlichia, cutar Lyme da Anaplasmosis da sauransu.Wadannan cututtuka na iya zama da wahala a gano su kuma suna da haɗari idan ba a kula da su da wuri ba;tdon haka, rigakafi ta hanyar sarrafa kaska shine mafi kyau.

Fleas kuma na iya yada cututtuka da yawa na kwayan cuta da tsutsotsin tsutsotsi baya ga haifar da rashin lafiya mai tsanani.Dabbobin daji da yawa suna ɗaukar ƙuma kuma suna zama tushen kamuwa da cuta.Lokacin da dabbar dabba ta kamu da ƙuma, ko mai kamuwa da cuta, namun daji ya shiga cikin harabar gida, ƙuma na iya mamaye muhalli da sauri.