Lice infestations are not usually dangerous. However, head lice infestations present a serious public health problem because they spread easily among schoolchildren.
Lice infestations used to result in close hair trims so nits could be seen and removed, particularly in girls with long hair. This is rarely the case now.
Lice infestations (pediculosis and pthiriasis) are spread most commonly by close person-to-person contact. Dogs, cats, and other pets do not play a role in the transmission of human lice. Lice move by crawling; they cannot hop or fly.
Body lice infestations occur more often when clothes are not changed or washed frequently.
Pubic lice infestations (pthiriasis) are usually spread through sexual contact. Dogs, cats, and other pets do not play a role in the transmission of human lice.
Treating lice infestations begins with using over-the-counter medication to kill the lice on all family members who may be affected. If nonprescription lotion or shampoo doesn't kill the lice, your doctor can prescribe a stronger shampoo or lotion.
Who can diagnose lice infestations?
How are lice infestations diagnosed?
Getting treatment:
How is a lice infestation treated?
To treat pubic lice infestations:
Wash the infested area; towel dry.
Thoroughly saturate hair with lice medication.
Head lice infestations are frequently found in school settings or institutions. Crab lice infestations can be found among sexually active individuals.
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Head lice infestations occur between 12 and 25 million each year. Children under the age of 12 are the prime targets for such infestations. Fall and winter are when most cases of head lice are reported.
A 2005 study found wet combing more effective than insecticides at curing head lice infestations. The Bug Busting kit used in the study is available on prescription.
What other therapies for head lice are available?
People who live in unhygienic and crowded conditions, where personal hygiene is neglected and clothes are not changed, are most susceptible to body lice infestations.
 See also: Lice Infestation, Lice, Symptom, Head lice, Prevention
  
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