Head lice
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Head lice quiz: question 1

True or false: You are very likely to catch head lice by wearing a hat that has been worn by someone with head lice.

False
There's no evidence that you can catch head lice from clothing, headgear or a pillow.

A louse has a firm grip on the hair, and it needs to be near the scalp for food, shelter, warmth and moisture. It moves away from the scalp only to move to another head. When head lice do fall off the scalp, they do not survive for long. Head lice found on the backs of chairs, on pillows or in hats are either dead or dying and unable to move onto another scalp.1

Doctors often recommend washing or cleaning your clothes, bed linens and household if you find head lice.2 You may want to follow this advice for your own peace of mind. But not all experts advise this. In England, for example, doctors do not recommend washing pillows and clothing.3

See Do I need to treat the household? to learn more.

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Sources for the information on this page:
  1. Dodd CS. Interventions for treating head lice (Cochrane review). In: The Cochrane Library, Issue 4, 2006. Wiley, Chicester, UK.
  2. Centers for Disease Control and Prevention. Treating headlice infestation. June 2007. Available at http://www.cdc.gov/ncidod/dpd/parasites/lice (accessed on 16 April 2008). Department of Health and Human Services. 2001.
  3. U.K. Department of Health. The prevention and treatment of head lice: 2007 edition March 2007. Available at http://www.dh.gov.uk (accessed on 25 April 2008).
This information was last updated in Jul 25, 2008