Frontline spot on dog is for the treatment and prevention of infestations by fleas ctenocephalides spp and ticks rhipicephalus spp dermacentor spp and ixodes spp and as part of a treatment strategy for flea allergy dermatitis where this has been previously diagnosed by a veterinary surgeon the product controls infestations with trichodectes canis biting lice on dogs frontline spot on dog can be used in puppies from 8 weeks of age and weighing over 2kg