Lice Directory
Lice are tiny, wingless parasites that feed on blood. Head lice infect the hair and scalp. Lice are very contagious. The infection most often spreads among school-age kids. You can get head lice if you share pillows, brushes, hats, or other items that have touched the head of someone with lice. Sometimes, lice infect the hair in the groin area. Such pubic lice are most often sexually transmitted. Lice symptoms include small red bumps on the head, shoulders, neck, or pubic area; frequent itching; and oval-shaped white or clear specks that stick to the hair. These specks are lice eggs (nits). Follow the links below to find WebMD's comprehensive coverage about lice, including what they look like, how to treat them, and much more.
Medical Reference
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Scalp Problems
WebMD looks at the causes, symptoms, and treatment of scalp problems, including dandruff, lice, and ringworm.
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Lice and Scabies Treatment
Read about treatment of lice and scabies.
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What’s the Treatment for Lice?
Lice is a common concern that can cause intense itching. Learn how to treat it and eliminate these mites from your home.
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What Are Lice? How Do You Know If You Have Them?
Lice is a common concern that can cause intense itching. Learn the three forms of lice and how to identify a lice infestation.
Features
Video
Slideshows & Images
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Treating and Preventing a Head Lice Infestation
Learn how to treat a head lice infestation and how to protect your child from future lice outbreaks.
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Picture of Head Lice
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.
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Identifying Bugs and Bug Bites
Learn to identify ticks, poisonous spiders, fleas, chiggers, and other bugs. See what their bites and stings look like -- and how to find relief.
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Picture of Body Lice
Body lice. Scattered nits seen on the seams of clothing.