Advantus Dog Advantus Chewable Flea Treatment for Dogs 4 - 22 lbs. | 7 ct.Advantus (imidacloprid) is a flavored soft chew that, with one dose, starts killing adult fleas within one hour so your dog can get back to enjoying life This chewable flea treatment is available without a prescription Treats flea infestations on dogs and puppies 10 weeks of age and older and weighing from 4 22 lbs. Easy to give soft chew that can be administered to your dog as often as once daily if they become re infested Advantus is also available