What home remedies can be used to kill bedbugs? - briefly
Heat and steam can eradicate insects at all life stages, while diatomaceous earth desiccates them on contact; a solution of rubbing alcohol and water or a spray of essential oils such as tea tree, lavender, or peppermint also proves lethal. Combining these methods and repeating applications increases effectiveness.
What home remedies can be used to kill bedbugs? - in detail
Effective household approaches for eradicating bedbugs rely on physical removal, temperature extremes, and naturally derived substances.
Direct mechanical actions include thorough vacuuming of mattresses, box springs, furniture seams, and carpet edges, followed by immediate disposal of the vacuum bag or cleaning of the canister in hot, soapy water. After vacuuming, steam treatment at 120 °C (248 °F) for at least 20 seconds penetrates fabric and cracks, killing insects and eggs on contact.
Thermal methods exploit lethal heat and cold. Washing infested linens and clothing in water hotter than 60 °C (140 °F) for a minimum of 30 minutes, then drying on high heat for 30 minutes, ensures complete mortality. Items that cannot be laundered may be placed in a freezer set to –18 °C (0 °F) for at least four days; prolonged exposure to subzero temperatures exterminates all life stages.
Naturally occurring powders provide desiccation. Diatomaceous earth, when applied in a thin, even layer along baseboards, bed frames, and crevice zones, absorbs lipids from the insect exoskeleton, leading to dehydration. Food‑grade grade is essential to avoid respiratory irritation. Silica gel packets, spread similarly, produce comparable desiccating effects.
Essential oil solutions act as contact irritants and repellents. A mixture of 20 ml of 70 % isopropyl alcohol with 5 ml of tea tree oil and 5 ml of lavender oil can be sprayed onto seams, cracks, and upholstery; the alcohol disrupts cell membranes, while the oils interfere with respiration. Reapplication every 48 hours maintains efficacy.
Alcohol alone, applied with a spray bottle to visible insects and hiding places, causes rapid immobilization and death. Ensure the surface is not overly saturated to prevent damage to delicate fabrics.
Enclosed environments benefit from mattress encasements. Certified bedbug‑proof covers seal the mattress and box spring, trapping any surviving insects and preventing re‑infestation.
After each treatment, inspect regularly, repeat procedures as needed, and maintain a clutter‑free setting to reduce hiding opportunities. Combining these strategies maximizes the likelihood of complete eradication without professional chemicals.