Suitable for dogs. atleast 6 weeks of age For the treatment and control of flea (Ctenocephalides canis, C. felis), ear mite (Otodectes cynotis), sarcoptic mange mite (Sarcoptes scabiei) and tick (Rhipicephalus sanguineus) infestations. For the prevention of heartworm disease caused by Dirofilaria immitis. For treatment and control of roundworm (Toxocara canis) infections and tick (Dermacentor variabilis) infestations.