What are the Causes of Head Lice?

Updated at: Dec 27, 2012
What are the Causes of Head Lice?

Lice are small insects that live on the human scalp, feeding on human blood; which causes intense itching. The exact causes of head lice are relatively unknown as most patients receive treatments at home, leaving little to detect for the health ex

Dr Poonam Sachdev
Other DiseasesWritten by: Dr Poonam SachdevPublished at: Dec 27, 2011

What are the causes of head lice

Being infected with head lice is very common and there is no reliable data on the number of people who get head lice globally each year. Contact with a person who is infested with head lice is the most common way one gets head lice.

Head-to-head Contact


This is the most common way of spread and mostly occurs when children or family members play or interact closely together.


Sharing Personal Items


Although, less common, head lice can spread by the use of personal items such as caps, hats and scarves; brushes and combs; hair accessories such as hair clips and hair clutches and headphones.

Home Furnishings


Head lice can also be contracted albeit rarely by contact with contaminated bed sheets, linen, pillow, towels, blankets and upholstered furniture.

Head lice don’t fly or jump and are not transmitted by pets (as they need human blood to survive).


Read more articles on Head Lice




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