If I have treated my pets with FRONTLINE® SPOT ON over a very long period of time, and if there are no signs at home of flea infestation, is the flea control still necessary?
All cats and dogs are vulnerable to flea infestation, even if they are walked on a lead or live indoors (people can walk fleas into a home on their clothing). Dogs and cats get infested with fleas through contact with an infested environment ( a home, park, garden, wood…), not through contact with other infested pets. Ongoing, regular protection from flea infestations with regular applications of FRONTLINE® SPOT ON is essential in order to be protected from a flea infestation.