Lice are tiny insects that live on humans and feed on blood.
Lice are tiny insects that live on humans and feed on blood. When a large number of lice live and multiply on a person, it is called an infestation.
Three different kinds of lice live on humans:
Head lice camera.gif are usually found in hair, most often on the back of the neck and behind the ears. Head lice are common in preschool and elementary school-age children. Adults can get them too, especially adults who live with children.
Pubic lice camera.gif, also called crabs, are usually found in the pubic area. But they may also be found on facial hair, on eyelashes, on eyebrows, in the armpits, on chest hair, and, rarely, on the scalp.
Body lice camera.gif live and lay eggs (nits) in the seams of clothing. The lice are on the body only when they feed.