Advantage II Dog is the vet-recommended prevention and treatment of flea and lice infestations in dogs. Advantage II Dog flea treatment and prevention kills adult fleas, flea larvae and flea eggs to deliver total flea protection to your dog or puppy. In fact, within 12 hours of application, Advantage II Dog topical treatment gets straight to work killing fleas through contact, so they dont have to bite your dog to die. This 30-day treatment effectively breaks the flea life cycle, controlling existing flea and lice infestations and preventing further infestations all month long. Fleas not only cause discomfort; they can also pose other health risks. Monthly use of Advantage II Dog is important to protect your dog against fleas that may cause transmission of tapeworms in dogs, Flea Allergy Dermatitis and flea bite anemia. From the makers of the Advantage products you know and love, Pet Protect Body Comfort+ supplement for dogs supports multiple systems