Head Lice Learning Center

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Welcome

Head lice are tiny insects that live on the scalp. They can be spread by close contact with other people. These lice only live in hair and occasionally eyebrows and eyelashes. See also: Body lice Pubic lice

Basic Info

Symptoms
Intense itching of the scalp; Small, red bumps on the scalp, neck, and shoulders; Bumps may become crusty and ooze; Tin...
Causes
Head lice infect hair on the head. They are easiest to see on the neck and over the ears. Tiny eggs on the hair look li...
Tests
To see head lice, you need to look closely. Use disposable gloves and look at the person's head under a bright lead. Fu...
Treatments
Lotions and shampoos containing permethrin are usually effective. They are available over-the-counter. If these do not ...
Drugs
  • lindane topical
  • malathion topical
  • permethrin topical
Risk Factors
  • overcrowded living conditions
  • Sharing combs, brushes, hats
  • Young child
Complications
Some people will develop a secondary skin infection from scratching. Antihistamines can help relieve the itching.
Prevention
Never share hair brushes, combs, hair pieces, hats, bedding, towels, or clothing with someone who has head lice. If you...
Doctor Specialties
Call your health-care provider if symptoms continue after home treatment, or if you develop areas of red, tender skin, ...

Basic Info

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