From the 2017 mAGazine
They're an irritant and a nuisance. They aggravate our pets and can cost us money and sleep. Fleas are responsible for more than half of all skin conditions that require veterinary care. A single flea can lay up to 50 eggs a day on an animal, but many eggs drop off onto carpets or bedding. This means treating the animal alone may not be enough to control the problem. The most effective products for treating your home's interior contain both adulticide and an insect growth regulator. Read the labels carefully!
Read more: https://entomology.ca.uky.edu/ef602