The Nits Survive
It is difficult for
head lice medication to penetrate the shell of the nit. Medication may effectively kill nymphs and adults, but may not treat the nits. This is why follow-up treatment is recommended.
Reinfestation
You can get infested more than once with head lice. Children often get reinfested from a playmate, for example. If your child is infested, discuss it with parents of the children your child plays with. Treating all infested children at the same time will help prevent reinfestation.
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