A 44-year-old member asked:
how long is it supposed to it take for a child's head to be infested with lice?
1 doctor answer
Dr. Zoey Goore answered
23 years experience Pediatrics
Lice: If by infested you mean catch it from someone else - when the adult lice move to your head you may not feel any symptoms. As they start to hatch new ones you may notice many more and have more symptoms. This typically happens 6-12 days after exposure. Life cycle of a louse is 9-15 days. This is also why treatment should happen twice to get two life cycles.
Answered on Jul 13, 2013
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