The answer to 'flea swarms' is that a flea infestation is a common problem that can quickly escalate into a major issue. Flea swarms are typically caused by an abundance of fleas in the home, often due to pets bringing them in from outside. Symptoms of a flea swarm include seeing many fleas jumping on pets or furniture, pets scratching excessively, and red, itchy bites on people.
To address a flea swarm, it's important to take a multi-pronged approach. This includes thoroughly vacuuming and cleaning all areas of the home, treating pets with a veterinarian-recommended flea control product, and potentially using a professional pest control service if the infestation is severe. DIY methods like spraying pesticides or using flea traps can be effective for minor issues, but a professional pest control technician may be needed for large-scale flea infestations or if the swarm is not brought under control with DIY efforts.