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   What causes head lice & NITs?

   • Head lice and nits are very common in young children and their families. They are not caused by dirty hair and are picked up by head-to-head contact. Head lice are small insects, up to 3mm long. They can be difficult to spot in your hair. Head lice eggs (nits) are brown or white and attached to the hair. Head lice can make your head feel itchy.

   Head lice and nits - NHS

   www.nhs.uk/conditions/head-lice-and-nits/

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   What is a head lice infestation?

   • The lice feed on blood sucked from your scalp and lay eggs (called nits) that firmly attach to the hair exposed at your skin’s surface (hair shafts). An infestation of head lice is pediculosis. Cleveland Clinic is a non-profit academic medical center. Advertising on our site helps support our mission.

   Head Lice Signs, Symptoms, Causes & Treatment - Cleveland Clinic

   my.clevelandclinic.org/health/diseases/10824-head-lice

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   How do head lice affect children?

   • Head lice most often affect children. The insects usually spread through direct transfer from the hair of one person to the hair of another. Head lice feed on blood from the scalp. The female louse lays eggs (nits) that stick to hair shafts. Having head lice isn't a sign of poor personal hygiene or an unclean living environment.

   Head lice-Head lice - Symptoms & causes - Mayo Clinic

   www.mayoclinic.org/diseases-conditions/head-lice/symptoms-causes/syc-20356180

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   How do head lice spread?

   • Head lice are tiny insects that feed on blood from the human scalp. Head lice most often affect children. The insects usually spread through direct transfer from the hair of one person to the hair of another. Head lice feed on blood from the scalp. The female louse lays eggs (nits) that stick to hair shafts.

   Head lice-Head lice - Symptoms & causes - Mayo Clinic

   www.mayoclinic.org/diseases-conditions/head-lice/symptoms-causes/syc-20356180

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   What is a head lice NIT?

   • Head lice are tiny insects that live in hair. Nits are the empty egg cases attached to hair that head lice hatch from. Head lice are a common problem, particularly in school children aged 4 to 11. They’re largely harmless, but can live in the hair for a long time if not treated and can be irritating and frustrating to deal with.

   Head lice and nits - NHS inform

   www.nhsinform.scot/illnesses-and-conditions/skin-hair-and-nails/head-lice-and-nits

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   Why do people get head lice?

   • A person gets head lice because the insects crawl from person to person by direct contact or by sharing items — including combs, brushes and hats — with another person who has head lice. Poor hygiene doesn’t cause head lice. How does head lice spread?

   Head Lice Signs, Symptoms, Causes & Treatment - Cleveland Clinic

   my.clevelandclinic.org/health/diseases/10824-head-lice

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2. www.nhs.uk › conditions › head-lice-and-nitsHead lice and nits - NHS

   www.nhs.uk › conditions › head-lice-and-nits

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   Head lice and nits are very common in young children and their families. They are not caused by dirty hair and are picked up by head-to-head contact. Check if it's head lice

3. www.nhsinform.scot › head-lice-and-nitsHead lice and nits - NHS inform

   www.nhsinform.scot › head-lice-and-nits

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   Illnesses and conditions. Skin, hair and nails. Head lice and nits. Head lice are tiny insects that live in hair. Nits are the empty egg cases attached to hair that head lice hatch from. Head lice are a common problem, particularly in school children aged 4 to 11.

4. www.mayoclinic.org › diseases-conditions › head-liceHead lice - Symptoms & causes - Mayo Clinic

   www.mayoclinic.org › diseases-conditions › head-lice

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   Apr 30, 2022 · Head lice are tiny insects that feed on blood from the human scalp. Head lice most often affect children. The insects usually spread through direct transfer from the hair of one person to the hair of another.

5. www.medicalnewstoday.com › articles › 322485How do you get lice? Causes and risk factors - Medical News Today

   www.medicalnewstoday.com › articles › 322485

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   Jun 26, 2023 · Risk factors. Symptoms. Treatment. When to see a doctor. Lice spread through physical contact. Children are more likely to contract lice than adults. Lice have existed for as long as humans....

   • Author: Aaron Kandola

6. my.clevelandclinic.org › health › diseasesHead Lice Signs, Symptoms, Causes & Treatment - Cleveland Clinic

   my.clevelandclinic.org › health › diseases

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   Head lice are tiny, crawling insects that live in the hair on a person’s head. The lice feed on blood sucked from your scalp and lay eggs (called nits) that firmly attach to the hair exposed at your skin’s surface (hair shafts). An infestation of head lice is pediculosis.

7. www.bupa.co.uk › childrens-health › head-liceHead Lice: Symptoms, detection and treatment | Bupa UK

   www.bupa.co.uk › childrens-health › head-lice

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   Head lice don’t always cause symptoms, so you may not know you have them. Though sometimes they can make your scalp feel itchy. The only way to know for sure is to use a special fine-toothed detection comb to look for live lice.

8. www.gov.uk › guidance › head-lice-pediculosisHead lice (pediculosis) - GOV.UK

   www.gov.uk › guidance › head-lice-pediculosis

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   Apr 1, 2013 · Transmission. Control. Treatment and prevention. Print this page. Head lice are parasitic insects called Pediculus humanus capitis. They only live on the heads of people. Life cycle. There are...