Pediculosis capitis is an infestation of the scalp by the head louse, which feeds on the scalp and neck and deposits its eggs on the hair; presence of head lice is associated with few symptoms but much consternation.
Lice are insects that infest the hair. Adult lice live on the hair, and they climb down to feed on the scalp four to five times a day. Females lay about six eggs (nits) a day which they cement to the hair shaft.
* Patients infested with head lice generally present with an itchy scalp. The back of the neck and postauricular areas are commonly involved.
* The hair can become tangled with exudates, predisposing the area to fungal infection.
* Typically it appears as red itchy bumps on the back of the neck and scalp
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