Most people with head lice don't need to consult a doctor as over-the-counter medications containing one of the active ingredients pyrethrins (natural extracts from the chrysanthemum flower) or permethrin are effective for curing the infestation. Find out when to call a doctor for head lice.
You may want to consult a doctor for head lice:
When you go to consult your doctor:
The doctor will examine your hair and scalp for lice and nits. If there is doubt a special light, called a Wood's light, may be used as it makes the nits look pale blue.
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