Yes, but you need to make sure that the dog has Frontline for Dog's and the cat has Frontline for Cats. Don't use it on the wrong pet. The formulas are concentrated based on the size of the pet.
Yes, you can use Frontline Flea and Tick Treatment for both cats and dogs. However, they are separate products - they have one product for dogs and one product for cats. There are also separate types for puppies/kittens versus adult dogs/cats.
The have frontline for dogs and cats. Dosage goes by weight so it is best to buy the correct dosage for each individual animal, you dont want to poison your animal just the fleas.
You can use this product for both just make sure get the right one for the right animal. If you are not sure which one,ask a pet professional they know which one you can use make sure you tell them if it's a dog or cat.
