Pediculosis capitis

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Pediculosis capitis

Pediculosis capitis (/pɛˌdɪkjʊˈloʊsɪs kæˈpaɪtɪs/), commonly known as head lice infestation, is a prevalent condition that affects the scalp and hair of the human head.

Etymology

The term "Pediculosis capitis" is derived from the Latin words "pediculus", meaning louse, and "capitis", meaning of the head.

Definition

Pediculosis capitis is a condition characterized by the infestation of the hair and scalp with the tiny insect Pediculus humanus capitis, commonly known as the head louse. These parasites live on the human scalp, feeding on blood and laying eggs, known as nits, on the hair shafts.

Symptoms

The primary symptom of pediculosis capitis is intense itching on the scalp, caused by an allergic reaction to louse saliva. Other symptoms may include a tickling feeling of something moving in the hair, irritability, and difficulty sleeping, as head lice are most active in the dark.

Treatment

Treatment for pediculosis capitis typically involves the use of over-the-counter or prescription medications that kill lice and their eggs (pediculicides). In addition, combing wet hair with a fine-toothed nit comb can help remove lice and nits.

Related Terms

  • Pediculus humanus capitis: The scientific name for the head louse, a type of insect that infests the hair and scalp.
  • Nits: The eggs of lice, which are laid on the hair shafts.
  • Pediculicides: Medications used to kill lice and their eggs.
  • Pediculosis: A general term for a lice infestation, which can occur on various parts of the body.

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