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Doc Dispels Common Myths About Head Lice

Parents should be reassured that personal hygiene has nothing to do with the problem

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The U.S. Centers for Disease Control and Prevention reports that up to 12 million lice infestations occur each year in the United States among children aged 3 to 11 years.

"Parents and school staff may become understandably upset by outbreaks of head lice, but it is important to remember that if the problem occurs, it is treatable, although repeat applications of medicine are usually needed," Bonwit said.

The most common lice treatment is over-the-counter or prescription shampoos or lotions that must be applied to the scalp, left on for a specified time, then rinsed off. Often a fine-toothed comb is also needed to remove nits to prevent further infestation.

"The life cycle is about seven days from the laying of the eggs to the hatching, so a second insecticide treatment is recommended, after the first application," Bonwit advised. "If the treatments are used as directed, problems other than scalp irritation are unlikely to occur."

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