Capstar For Dogs And Cats 2 To 25 Lbs (6 Tablets) Capstar, for flea infestations on dogs and cats. FAST ACTING: Begins working within 30 minutes. Capstar may be used as needed, as often as once per day, whenever you see fleas on your pet.
Frontline Plus, Blue,23-44 Lbs,3 Month Supply,
Brand: Merial Veterinarian's Review: Frontline Plus is great for dogs or cats that are in highly Flea infested areas. For cats and kittens 8 weeks or older, or dogs and puppies 8 weeks or older. Awarded the Good Housekeeping seal of approval.