What can be used to kill household fleas?

What can be used to kill household fleas? - briefly

Effective control methods include insecticide sprays, foggers, and flea powders containing adulticides such as permethrin or fipronil. For lasting eradication, treat pets with veterinary‑approved spot‑on products and apply diatomaceous earth to carpets and bedding.

What can be used to kill household fleas? - in detail

Effective flea eradication requires a combination of chemical, mechanical, and environmental measures. Chemical agents act directly on the insects, while mechanical actions remove them from the environment, and environmental modifications prevent re‑infestation.

• Insecticide sprays and aerosols containing pyrethrins, permethrin, or bifenthrin can be applied to carpets, upholstery, and cracks.
• Foggers («flea bombs») disperse fine particles of adulticide and larvicide throughout a room; proper sealing of the space and ventilation after treatment are essential.
• Powders such as «diatomaceous earth» or silica‑based products desiccate fleas when sprinkled on floors and pet bedding; the material must remain dry to retain efficacy.
• Spot‑on treatments for pets, formulated with fipronil, imidacloprid, or selamectin, eliminate fleas on the host and interrupt the life cycle.
• Oral medications, including nitenpyram or spinosad, provide rapid adult flea kill within hours after ingestion by the animal.

Mechanical actions complement chemicals by reducing the flea population and limiting their development.

• Vacuuming carpets, rugs, and furniture daily removes eggs, larvae, and adult insects; dispose of the vacuum bag or empty the canister immediately.
• Washing all bedding, curtains, and removable fabrics at temperatures above 60 °C (140 °F) kills all life stages.
• Steam cleaning carpets and upholstery penetrates fibers, delivering heat sufficient to destroy eggs and larvae.
• Applying high heat (≥ 50 °C) to infested areas, or exposing items to freezing temperatures (≤ ‑20 °C) for several days, also proves lethal.

Environmental management prevents recurrence.

• Regularly trim yard grass and clear leaf litter to reduce outdoor flea reservoirs.
• Seal gaps around baseboards, windows, and doors to limit ingress of wild animals that may carry fleas.
• Maintain low indoor humidity (30–50 %) to hinder egg hatching and larval development.

Safety considerations are mandatory. Follow label directions precisely, keep chemicals away from children and non‑treated pets, and use personal protective equipment when applying aerosols or powders. Combine methods strategically to achieve complete eradication and sustain a flea‑free household.