Puppies and smaller dogs that are suffering from parasite infestations are at a higher risk for transmitted diseases and infections. Fleas and ticks can cause serious skin problems, and break down your puppies already sensitive immune system. Revolution for Dogs 6-10 pounds is safe to use on small dogs and puppies over 6 weeks old, for systemic protection against internal and external parasites. This once a month topical treatment kills fleas, American dog ticks, lice, mites, mange, and heartworms, while preventing re-infestation. Revolution works by entering the blood stream then selectively redistributes from the blood to the skin, where it provides long lasting protection against fleas, flea eggs, American dog tick and other parasites. Contact your veterinarian at the first sign of pests or parasites before the infestations gets uncontrollable. Revolution for Dogs 6-10 pounds is prescription only, and can be provided through your veterinarian.