How can I avoid catching lice from another person? - briefly
Prevent transmission by avoiding head‑to‑head contact and never sharing combs, brushes, hats, hair accessories, or bedding. Regularly inspect the scalp for nits and keep hair clean to catch any infestation early.
How can I avoid catching lice from another person? - in detail
Preventing the transmission of head‑lice requires a combination of personal hygiene practices, environmental controls, and awareness of common exposure scenarios.
First, limit direct head‑to‑head contact, especially in settings where close proximity is typical (schools, day‑care centers, sports teams). Avoid sharing items that touch the scalp, such as combs, brushes, hats, helmets, hair accessories, and headphones. If sharing is unavoidable, clean the objects with hot water (minimum 130 °F/54 °C) or disinfect them with an alcohol‑based solution before and after use.
Second, maintain regular grooming routines. Wash hair with a mild shampoo at least twice a week; this does not eradicate lice but reduces the likelihood of infestation by removing debris that can attract them. For individuals with long or thick hair, use a fine‑toothed comb after washing to separate strands and detect any nits early.
Third, treat personal items and surroundings. Wash bedding, pillowcases, and towels in hot water and tumble dry on high heat for at least 20 minutes. Seal non‑washable items (e.g., stuffed animals) in a sealed plastic bag for two weeks; lice cannot survive without a host for longer than this period. Vacuum carpets and upholstered furniture to remove stray hairs that may harbor eggs.
Fourth, educate children and caregivers about early signs. Nits are small, oval, and firmly attached near the hair shaft; live lice move quickly and are difficult to see. Prompt identification enables immediate treatment, reducing the chance of spread.
Finally, if an infestation is suspected, apply a recommended pediculicide according to the product instructions, followed by a thorough combing session with a nit comb. Repeat the treatment after 7–10 days to eliminate any newly hatched lice. Do not rely on home remedies lacking scientific validation.
By combining these measures—avoiding scalp contact, sanitizing shared objects, maintaining clean personal and household environments, and responding quickly to any indication of infestation—individuals can substantially lower the risk of acquiring lice from another person.