If your yard is heavily infested, you can consider spraying a product containing an IGR and repeating every 1421 days for three to five applications. Concentrate on shaded areas, storage sheds, cars, and any outdoor sleeping spots.
As such a significant proportion of a flea problem can be found in the home, its vital to treat your house if your cat has fleas. Frequent vacuum cleaning will help to reduce, but not eliminate, fleas in a house. Vacuum bags should be immediately and carefully disposed of (bagless vacuums will need their dust container thoroughly disinfected), and anything heavily infested, such as bedding, should also be thrown away. Treatments can then be used to prevent re-infestation in several ways:

1 week ago - Frontline Plus contains two active ingredients that kill parasites and break the flea life cycle: fipronil and S-methoprene. Fipronil kills adult fleas and ticks, while S-methoprene disrupts the flea cycle by preventing the development of eggs, ...

Various studies have been performed to evaluate the efficacy of topical pyriproxyfen treatment in cats. A single topical application at 1 mg/kg prevented 100% of eggs from hatching for 7 weeks, 90% for 8 weeks and 60% for 12 weeks. 36 Another study demonstrated that two topical applications ...