Nexgard Offers Effective Flea And Tick Control On Dogs For A Full Month. Containing A Powerful New Active Ingredient Developed Specifically For Your Canine Friends. Nexgard Chewables Provide Optimal Protection Against Fleas And Ticks Including The Deadly Paralysis Ticks, In An Easy To Administer Beef-Flavoured Chew Your Dog Will Love! - Protection For A Full Month.