The Elanco Advantage II Small Dog Vet-Recommended Flea Treatment and Prevention for Dogs 3-10 lb. is the vet-recommended prevention and treatment of flea and lice infestations in dogs. Advantage II Small 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 Small Dog topical treatment gets straight to work killing fleas through contact, so they don't 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 Small Dog is important to protect your dog against fleas that may cause transmission of tapeworms in dogs, flea allergy dermatitis and flea bite anemia. That's why Advantage II topical, spot-on formula makes application simple; going on in seconds. It's easier than a flea collar and there are no hard-to-swallow pills. You'll also love that Advantage II is fragrance-free and waterproof after 24 hours of application. Check the product label for information on application and potential side effects. Advantage II Small Dog flea and lice protection is effective on both indoor and outdoor dogs. Your dog should be at least 7 weeks old and weigh 3 to 10 lb. to use Advantage II Small Dog. For the ultimate convenience in care, Advantage II Small Dog is available over the counter; no prescription needed. And, you can stock up with a subscription for regular doorstep deliveries so you never miss a monthly treatment. Once Advantage II Small Dog is applied, your dog is ready to get right back to exploring his favorite places; from the backyard to the dog park. Advantage II Small Dog is a trademark of Elanco or its affiliates.