Head Lice Fact Sheet Head lice are small insects They live on the hair and scalp of humans where they feed on blood. Anyone can get head lice You can catch head lice by coming in direct contact with an infested person's head or with personal belongings such as combs, brushes, and hats.
Head lice can spread as long as lice or eggs remain alive on the infested person or clothing.
Itching may be mild to intense. Other signs to look for can sometimes include swelling of neck glands, fever, or muscle aches. Nits range in color from yellow to gray. Head lice can be treated Medicated shampoos or cream rinses kill lice. Follow package directions closely.