Are you searching for a solution to both fleas and internal parasites? Advantage Multi Topical Solution for Dogs 3-9 lbs combines the proven-effective flea control of Advantage, which has been trusted by veterinarians and their clients for more than 10 years, with a 100-percent effective preventative for heartworm disease and highly effective treatment of intestinal nematodes (hookworms, roundworms, and whipworms) all in one convenient, monthly topical solution. It’s safe for use on dogs and puppies over 7 weeks of age and provides long lasting protection and control! Keep your best friend healthy, happy and parasite free with Advantage Multi Topical Solution for Dogs 3-9lbs.