How long is my child's case of head lice contagious?

Univ. of Nev. School of Medicine, Family Medicine

Your child's head lice are no longer contagious after lice shampoo treatment has been applied. Although there is a chance that some nits could remain on the hair, the nits themselves are not contagious. Children may return to school or childcare after the lice shampoo treatment is performed.

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How long is my child's case of head lice contagious?

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