How can fleas on people be removed? - briefly
Apply a topical insecticide approved for human use (e.g., permethrin 5 %) to the affected areas, let it act for the recommended time, then wash the skin with warm soapy water and rinse thoroughly. Follow by combing with a fine‑toothed flea comb and laundering clothing and bedding in hot water to eliminate any remaining insects.
How can fleas on people be removed? - in detail
Flea bites on a person require prompt action to prevent further feeding, skin irritation, and possible allergic reactions. The first step is thorough cleansing. A warm shower or bath with an antiseptic or medicated soap—such as chlorhexidine or a product containing permethrin—should be taken, focusing on areas where bites are visible. Gently scrubbing the skin helps dislodge any attached insects and removes residual flea feces that can exacerbate itching.
After washing, apply a topical antiparasitic agent. Over‑the‑counter creams or lotions containing 5 % permethrin or 1 % pyrethrin are effective when spread thinly over the entire body, including folds of skin. Follow the manufacturer’s instructions regarding duration of contact, typically leaving the product on for 8–12 hours before washing off. For individuals with sensitivities or contraindications, a prescription antihistamine can reduce itching, while a corticosteroid cream may lessen inflammation.
Systemic treatment may be necessary if infestation is extensive. Oral ivermectin, administered in a single dose of 200 µg/kg, is approved for human use in many regions and eliminates fleas that have penetrated deeper skin layers. This medication should be prescribed by a healthcare professional after evaluating potential drug interactions and contraindications.
Environmental control is essential to prevent re‑infestation. All clothing, bedding, and towels used during the treatment period must be laundered in hot water (≥ 60 °C) and dried on high heat. Items that cannot be washed should be sealed in plastic bags for at least two weeks. Vacuum carpets, rugs, and upholstered furniture thoroughly, discarding the vacuum bag or cleaning the canister immediately. Apply a residual insecticide spray—preferably one containing an insect growth regulator (IGR) such as methoprene—to cracks, baseboards, and pet sleeping areas, following label directions for safe indoor use.
Pets are common reservoirs for fleas; simultaneous treatment of animals is critical. Use veterinary‑approved flea collars, topical spot‑on products, or oral medications containing nitenpyram or spinosad. Regular grooming and bathing of pets, combined with environmental measures, reduces the overall flea population.
If bites worsen, develop signs of infection (redness, swelling, pus) or if systemic symptoms such as fever appear, seek medical attention promptly. A clinician can prescribe stronger systemic agents, perform skin cultures, and advise on additional preventive strategies.