HEARTGARD Plus helps prevent canine heartworm disease, and treats and controls roundworms and hookworms, too. When given monthly
as directed, HEARTGARD Plus is effective in helping to prevent heartworm disease in dogs. Each bite from an infected mosquito can
introduce new heartworm larvae into your dog's bloodstream and reinfect an unprotected dog. Use of HEARTGARD Plus every month as
directed kills immature heartworms introduced to the dog in the last 30 days, preventing the development of adult heartworms. 10 X
6 doses. For dogs up to 25 lbs.