How can lice be removed with a pharmacy‑available product? - briefly
Apply an over‑the‑counter pediculicide—typically 1 % permethrin or 0.5 % pyrethrin—according to the package directions, then remove remaining nits with a fine‑toothed lice comb. Repeat the treatment after 7–10 days to eliminate any newly hatched lice.
How can lice be removed with a pharmacy‑available product? - in detail
Over‑the‑counter treatments provide the most direct method for eliminating head‑lice infestations. The primary options are chemical pediculicides and silicone‑based products, each requiring precise application and follow‑up.
Chemical pediculicides
- Permethrin 1 % cream rinse: apply to damp hair, saturate scalp, leave for 10 minutes, rinse thoroughly. A second treatment 7–10 days later removes newly hatched nits.
- Pyrethrins combined with piperonyl‑butoxide: follow the same timing as permethrin; effective against susceptible strains.
- Malathion 0.5 % lotion: apply to dry hair, leave 8–12 hours, then wash out. Reserved for resistant cases; not recommended for children under 6 months.
Silicone‑based products
- Dimethicone 4 % lotion or spray: coat hair completely, leave 10 minutes, then comb out. Does not rely on neurotoxic action, reducing resistance risk. Suitable for all ages, including infants.
Mechanical removal
- Fine‑toothed nit comb: use after chemical or silicone treatment while hair remains wet. Systematically comb from scalp outward, wiping comb teeth after each pass. Repetition every 2–3 days for a week eliminates residual eggs.
Step‑by‑step protocol
- Wash hair with regular shampoo; towel‑dry.
- Apply chosen product according to label instructions, ensuring full scalp coverage.
- Maintain prescribed exposure time; do not exceed.
- Rinse hair, towel‑dry, then perform nit combing.
- Repeat treatment after 7–10 days; continue combing for another week.
Environmental control
- Launder bedding, hats, scarves, and hair accessories in hot water (≥ 60 °C) or seal in plastic bags for 2 weeks.
- Vacuum carpets and upholstered furniture; avoid sharing personal items.
Safety considerations
- Verify age limits; many chemical agents are contraindicated for children under 2 years.
- Conduct a patch test 24 hours before full application to detect allergic reactions.
- Monitor for signs of irritation; discontinue use if severe redness or swelling occurs.
Adhering strictly to product directions, performing thorough nit removal, and implementing environmental measures yields a high success rate in eradicating head‑lice infestations with pharmacy‑available solutions.