These toxic powders are hard to manage and can easily become airborne and ingested. These are used to treat the environment and are particularly dangerous because they usually involve treating a large area. They are not only toxic, but explosive as well, filling your entire house with a poisonous, flammable cloud. The flea bombs and foggers can potentially lead to the greatest pesticide exposure. Methoprene and permethrin are common active ingredients in these products, and have been known to cause difficulty in breathing, headaches, eye and throat irritation, dizziness and nausea in humans.
Fleas exist on all pets.
Sometimes it is not a problem. But for many it is, and action does need to be taken. There are alternatives to combating flea infestation that are less toxic than the above-mentioned methods, and these alternatives may be much more effective. Preventative Non-Chemical Management Effective flea management involves keeping the flea population low enough so that they don't bother anyone. You can do it without using products that endanger your loved ones or cost a lot of money.