Seriously, there are things that can be done, but they take time. First, you start with the pet. This is an IGR and is labeled for dogs and cats. This is an IGR and is labeled for dogs only. This is an oral medication which prevents hatching of eggs produced by fleas feeding on pets.
Formulations are available in either pill or liquid forms that are given monthly to dogs or cats.
Follow the directions on the label and treat the pet. When used on animals, these products work as an ovicide and are used to kill flea eggs before they fall from the pet. They also work on the adult flea causing production of non-viable eggs. These products are used to prevent development of flea populations in the house or yard. In addition to the IGRs, two new chemicals have been developed for control of adult fleas on pets.