Borax. Sprinkle borax on the outer parameter of your home and on all carpets. Vacuum often with a disposable vacuum bag. Dispose of bag after use. Plan lavender or marigolds around your home to repel fleas. You can also place small amounts of lavender essential oils through out the house. The original formula “dawn” dishwashing liquid detergent can be used well on your infested animals (rinse well).