NexGard Chewables for dogs 25.1 - 50 kg. Administer monthly. NexGard rapidly kills adult fleas and is indicated for the treatment and prevention of flea (Ctenocephalides spp.) infestations, for the control of newly acquried adult fleas and for the control of Paralysis ticks (lxodes holocyclus), Brown Dog ticks (Haemaphysalis longicornis) for one month. Ixodes holocyclus ticks do not occur in Western Australia. In tick season, daily searching or, and removal of, any ticks found is recommended. NexGard kills feas for 8 hrs of administration. For use in puppies from 8 weeks of age. Not suitable for Cats. Also available in 3 pack.