If you have indoor and outdoor pets, then you can have fleas. Despite your best efforts to control fleas on dogs and cats, the little pests can still hop a ride on your pet and be brought indoors. Fleas like to feed on the blood of their hosts, much like mosquitoes, ticks, or bedbugs. While they prefer dogs and cats, they aren’t finicky and will feed on humans too. While fleas can carry some diseases, most of the time they are harmless. But they can be unsightly to look at, and will often cause small red bites on humans that