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  1. Lice - Symptoms and causes - Mayo Clinic

    Oct 14, 2025 · You get lice by coming into contact either with lice or their eggs. For head lice, female lice make a sticky substance that holds each egg to the base of a hair shaft.

  2. Lice | Lice | CDC

    Head lice are parasitic insects that usually live on your scalp. Body lice are parasitic insects that feed on human blood. Pubic lice, also known as "crab" lice, are parasitic insects found in the pubic or genital …

  3. 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.

  4. 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.

  5. 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 …

  6. 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.

  7. How Do You Get Lice? Causes and Risk Factors - Health

    Sep 30, 2025 · Lice are parasites that survive on your body by living off your blood. Three types of lice impact humans: head lice, body lice, and pubic lice.

  8. Pediculosis - Wikipedia

    Pediculosis is an infestation of lice from the sub-order Anoplura, family Pediculidae. Accordingly, the infestation with head lice is named pediculosis capitis, while this with body lice, pediculosis corporis. …

  9. Lice (Head Lice, Body Lice, Pubic Lice) - eMedicineHealth

    Read about head lice, body lice, and crabs, or pubic lice. Learn about lice symptoms, signs, prevention, and treatment with medicated shampoos. A head louse can lay seven nits per day.

  10. How Do You Get Lice? Causes, Treatment, and Prevention Explained

    5 days ago · This article explains how lice spread, the different types of human lice, and how infestations begin, helping you understand the problem before moving on to treatment and prevention. What Are …