The Safe-Guard Canine Dewormer is used for the treatment and control of internal parasites in dogs. It specifically targets tapeworms, whipworms, hookworms and roundworms. Safe-guard is easy to administer and it provides complete 6-month protection between medication.The deworming schedule depends on the climate of your location and the activity of your pet. Safe-Guard Canine Dewormer is recommended for house pets, show dogs, elderly dogs, working dogs, pregnant dogs, heartworm-infected dogs and young puppies over the age of 6 weeks. Each box contains 3 packets and combine other sizes if needed for a 3-day treatment of dewormer.