Chewable Tablet for Dogs and Cats M223

Comfortis kills fleas and prevents and treats flea infestations for one month on cats and kittens 14 weeks of age or older and weighing 4.1 pounds or more. It also kills fleas and prevents and treats flea infestations for one month on dogs and puppies 14 weeks of age and older and weighing 5 pounds or greater. Available with a veterinarian’s prescription.