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Head Lice (cont.)

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What are the signs and symptoms of head lice infestation?

The signs and symptoms are

  • a tickling feeling of something moving in the hair;
  • itching (caused by the an allergic reaction to the bites);
  • sores on the head (caused by scratching);
  • these sores on the head can sometimes become infected;
  • irritability.

How is a head lice infestation diagnosed?

Head lice can be detected by looking closely through the hair and scalp for nits, nymphs, or adults. Locating a nymph or adult may be difficult; there are usually only a few of them, and they can move quickly from searching fingers. However, the presence of nits close to the scalp confirms that a person is infested. If the nits are located more than ¼ inch from the scalp, the infestation is probably an old one. If you are not sure whether or not a person has head lice, the diagnosis should be made by a health-care professional, school nurse, or a professional from the local health department or agricultural extension service. The nits of head lice are easily visible with a microscope.

Medically Reviewed by a Doctor on 7/18/2014

Source: MedicineNet.com
http://www.medicinenet.com/head_lice/article.htm

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