Misused, yes — and it's documented, not hypothetical. CDC identified 111 acute pesticide-related illnesses tied to bed bug control across seven states between 2003 and 2010, including one death. 90 of those 111 cases were low severity, but the pattern is worth knowing before treatment day, especially in a household with pets or children present.
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What actually caused those documented illnesses?
Three leading factors, per CDC's own analysis: excessive insecticide application, failure to wash or change pesticide-treated bedding, and inadequate notification that an application had occurred. Pyrethroids and pyrethrins were involved in 99 of the 111 cases, including the fatality — the same chemical class discussed on our chemical treatment page, and the risk here is misuse, not the class of chemical itself.
What should never be used indoors, regardless of pets or kids?
Never use a pesticide indoors that's intended for outdoor use — EPA calls this "very dangerous." Flammable home remedies like rubbing alcohol, kerosene and gasoline can easily ignite from a spark or cigarette and are explicitly warned against. Foggers should be used only with extreme care, only if bed bugs are listed on the label, and never as a sole control method.

What should I do with treated bedding before pets or kids use the room again?
Wash or change pesticide-treated bedding — its absence is one of the three documented factors behind past illnesses. For general laundering during preparation, the sourced standard is the hottest setting the fabric allows for at least 30 minutes, which addresses bed bugs directly and, as a practical matter, removes bedding from surfaces pets and children contact.
Sources
4 cited- Documented illness data: CDC, MMWR 60(37):1269–1274, Acute Illnesses Associated with Insecticides Used to Control Bed Bugs — Seven States, 2003–2010, published 2011-09-23 (checked 2026-08-18).
- Why residents over-apply: CDC & EPA, Joint Statement on Bed Bug Control in the United States, 2010 (checked 2026-08-18).
- Indoor pesticide and flammable-remedy warnings: US EPA, Safety Issues in Controlling Bed Bugs; US EPA, Do-it-yourself Bed Bug Control (checked 2026-08-18).
- Fogger safety guidance: US EPA, Do-it-yourself Bed Bug Control (checked 2026-08-18).
