What are head lice?
Head lice are tiny insects that live on people's heads. Adult lice are about the size of sesame seeds. The eggs, called nits, are even smaller - about the size of a dandruff flake. Lice and nits are found on or near the scalp, most often at the neckline and behind the ears.
Head lice are parasites, and they need to feed on human blood to survive. They are one of the three types of lice that live on humans. The other two types are body lice and pubic lice. Each type of lice is different, and getting one type does not mean that you will get another type.
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- Head Lice (National Library of Medicine)What are head lice? Head lice are tiny insects that live on people's heads. Adult lice are about the size of sesame seeds. The eggs, called ... often at the neckline and behind the ears. Head lice are parasites, and they need to feed on ...
- Head lice are tiny insects that live on the skin covering the top of your head (scalp). Head lice may also be found in the eyebrows and ...
- Treating and Preventing Head Lice (Food and Drug Administration)Head lice affect millions of children every year. Although head lice are a year-round problem, cases usually peak ...
- Head lice infect the scalp and hair and can be seen at the nape of the neck and over the ears. Head lice spread easily and quickly but do not carry ...
- Head Lice: Overview (American Academy of Dermatology)Learn general information about head lice.
- Head Lice (American Academy of Family Physicians)Head Lice/Start Here ... Head Lice ... American Academy of Family Physicians
- First Aid: Head Lice (For Parents) (Nemours Foundation)Head Lice/Children ... Head Lice
- Head Lice: Information for Parents (Centers for Disease Control and Prevention)Head Lice/Children
- Head Lice: Treatment (Centers for Disease Control and Prevention)Head Lice/Treatments and Therapies
- Head Lice: Diagnosis (Centers for Disease Control and Prevention)Head Lice/Diagnosis and Tests
