FRONTLINE SPRAY protects cats and dogs against fleas and ticks, including paralysis ticks. It can be used on puppies and kittens from 2 days of age. To protect against adult fleas, apply every 12 weeks for dogs and every 8 weeks for cats. To protect against paralysis ticks, apply every 3 weeks for dogs and cats and for protection against brown dog ticks, apply monthly. Can be used in puppies and kittens from 2 days of age. Controls flea allergy dermatitis when used monthly.