Nits should not be confused with an accumulation of hair spray, hair gels, or dandruff, which can be easily flicked off the hair nits cannot because they are firmly attached to individual hairs. Look closely for nits along the hairline at the back of the head and neck and behind the ears. What are the signs of a head lice infestation? ![]() Dogs, cats, and other pets do not spread head lice. They may also be spread by sharing personal items such as combs, brushes, other hair-care items, towels, pillows, hats, and other head coverings. Most commonly, head lice are spread by direct head-to-head contact with an infested person. Head lice have no wings and do not fly or jump, but they can crawl or run through hair quickly. They are found throughout the world, most commonly on children. Most people don’t know they are infested until they see the nits or lice. Who can get head lice?Īnyone can get head lice. Head lice are not known to spread disease. Head lice multiply rapidly, laying small greyish-colored, oval-shaped eggs (called nits) which they glue to the base of the hair, close to the scalp. These tiny insects (about 1/8” long) make their home in human hair and feed on blood. The head louse is an insect that can infest people. Download a print version of this fact sheet:.
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