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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Head louse infestation - scalp

This is a close-up picture of lice egg sacks (nits) on the hair. They cling to individual hair shafts. (Image courtesy of the Centers for Disease Control and Prevention.

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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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