Canimax 6 weekly Heartworm and Allwormer Tablets Large Dogs 10kg to 20kg = 22 to 44lbs contains 4 tablets are for the treatment of roundworm, hookworm, whipworm and tapeworm, including hydatids, and the prevention of heartworm in dogs. Can be used in puppies, lactating bitches and older dogs. Safe to use in collies. Puppies can be treated from 6-8 weeks of age according to weight and re treat every 6 weeks.
Please note if your dog weighs 80 lbs you would have to give 2 Tablets, contains 4 tablets.