Comfortis Chewable Tablets for Dogs 10.1-20 lbs & Cats 6.1-12 lbs, 3 treatments (Orange Box)

Comfortis is a chewable medication prescribed by veterinarians for dogs and cats to help treat — and possibly even prevent — flea infestations for up to one month. These flavored tablets can be added to your pet’s favorite food and only need to be given to your canine companion once a month to help combat fleas.