What can relieve itching from a lice bite? - briefly
Apply a cold compress or a soothing lotion such as calamine or 1 % hydrocortisone to reduce inflammation and numb the sensation. Oral antihistamines or a brief course of topical anesthetic can further alleviate persistent itch.
What can relieve itching from a lice bite? - in detail
Lice bites trigger a localized histamine reaction, producing an uncomfortable itch that can be eased through several proven measures.
Topical agents that numb or calm the skin are the first line of defense. Over‑the‑counter hydrocortisone cream (1 %) applied 2–3 times daily reduces inflammation and suppresses the itch signal. Calamine lotion, applied similarly, provides a cooling effect and forms a protective barrier. Antihistamine creams containing diphenhydramine work directly on the histamine response and can be used for short periods.
Oral antihistamines such as cetirizine or diphenhydramine, taken according to package directions, lessen systemic itching and help prevent nighttime scratching. For children, dosage must follow pediatric guidelines.
Cold therapy offers immediate relief. A clean, damp cloth or an ice pack wrapped in a towel, applied for 5–10 minutes, constricts blood vessels and dulls nerve activity. Repeating the application several times a day maintains comfort.
Soothing baths complement topical treatment. Adding colloidal oatmeal or baking soda (½ cup per warm bath) creates an anti‑itch slurry that coats the skin. A 10‑minute soak, followed by gentle pat‑drying, leaves the area less irritated.
Natural extracts may assist when used cautiously. Aloe vera gel, applied thinly, supplies moisture and anti‑inflammatory compounds. Diluted tea tree oil (1 % concentration) possesses mild antiseptic properties; however, it should be tested on a small skin patch to avoid allergic reactions.
Preventing secondary irritation is essential. Keep fingernails trimmed, wear cotton gloves at night, and avoid scratching, which can break the skin and invite infection. Wash all clothing, bedding, and towels in hot water (≥ 60 °C) and dry on high heat to eliminate any remaining lice or eggs.
If itching persists beyond 48 hours, spreads, or is accompanied by signs of infection (redness, swelling, pus), seek medical evaluation for prescription‑strength steroids or antibiotics.