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.