Easy to apply monthly protection for dogs. Topical paraciticide for the treatment, control and prevention of flea infestations, control of flea allergy dermatitis, treatment and control of ear mites in dogs and control of sarcoptic mange in dogs. For treatment of intestinal roundworm infestations in dogs. For the control of tick infestations and treatment of lice infestations in dogs. For the prevention of heartworm disease by controlling the microfilaria of Dirofilaria immititis in dogs. Litter protection in puppies against flea and roundworm infestations after birth. May aid in the control of existing environmental flea infestations in areas to which the animal has access.