The product that has worked best for me is called Zodiac Fleatrol Premise Spray with Precor. You spray it on the floor and it kills adult fleas and keeps baby fleas from growing up to adult biting stages for 210 days so they all die off without growing up and mating and biting etc.
You can see the can here
www.petco.com/Shop/Product.aspx?familyid=3057
Using Frontline on your pets should help too.
Hope this helps you!
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