Pediculosis capitis

**Definition:** A condition of the scalp and hair shaft, caused by an infection with the parasite Pediculus humanus capitis. This condition is characterised by pruritus which may lead to sores or thickened discoloured skin. Transmission is by direct or indirect contact with an infected individual or animal. Confirmation is by identification of Pediculus humanus capitis eggs or Pediculus humanus capitis.