Head lice Image

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Lice, head - nits i...	Head louse emerging...	Head louse, male
Head louse - female	Head louse infestat...	Head lice
Nit on human hair

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Lice, head - nits in the hair with close-up

This photograph shows the "nits" or tiny white egg sacks attached to the hairs. Schools often insist that these be entirely removed before a child returns to school.

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Definition Alternative Names Causes, incidence, and risk factors Symptoms Signs and tests Treatment Expectations (prognosis) Complications Calling your health care provider Prevention References

Head Lice Learning Center

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