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  1. Lice - Symptoms and causes - Mayo Clinic

    Oct 14, 2025 · There are three types of lice: Head lice. These lice feed on the scalp. They're easiest to see at the hairline on the neck and over the ears. Body lice. These lice live in clothing and bedding …

  2. No-Panic Guide to Head Lice Treatment - Johns Hopkins Medicine

    Stay calm and beat head lice with this head lice treatment guide based on recommendations from a Johns Hopkins pediatric dermatologist.

  3. About Head Lice | Lice | CDC

    Jun 4, 2024 · Head lice are parasitic insects that usually live on your scalp. Symptoms include itching, tickling, or sores on your scalp. Both prescription and over-the-counter medications treat head lice …

  4. Lice: How To Tell if You Have Them - WebMD

    May 5, 2024 · Lice is a common concern that can cause intense itching. Learn the three forms of lice and how to identify a lice infestation.

  5. Head Lice: Signs, Symptoms & Treatment - Cleveland Clinic

    Head lice are tiny, parasitic insects that can live in your hair. They bite your skin to suck your blood and attach their eggs (called nits) to your hair, close to your scalp.

  6. Lice Infestation - Skin Disorders - Merck Manual Consumer Version

    Lice are barely visible wingless insects that infest a person's head, body, or pubic area. They spread easily from person to person by close contact and shared clothing and other personal items. Three …

  7. About Lice and Their Control - US EPA

    Mar 18, 2025 · Head lice are tiny parasites that attach to human head hair and feed on blood through the skin. Learn about the life cycle, health concerns and control of lice.

  8. Sucking louse - Wikipedia

    Sucking lice (known scientifically as Anoplura) are a parvorder [2] of around 550 species of lice. All sucking lice are blood-feeding ectoparasites of mammals. They can cause localized skin irritations …

  9. Head lice: Diagnosis and treatment - American Academy of Dermatology

    If your child or someone else in your family still has head lice after a few weeks, it means that the treatments did not work or the person got lice again. Make an appointment to see a dermatologist for …

  10. Head Lice: Their Life Cycle, Their Treatment, and Prevention

    Sep 11, 2025 · Head lice are tiny insects that lay nits (eggs) in hair and cause itching. They’re often spread in schools among children. Learn the best way to treat lice.