Head lice infestations (Pediculosis capitis) are a worldwide problem with prevalence estimates typically ranging between 1-3% in elementary school aged children. Although this obligate parasite is a nuisance, infestation does not pose a health risk.
Head lice infestations (Pediculosis humanus capitis) are most prevalent during childhood in industrialized countries. It is estimated to occur in about 1-3% of children aged 6-12 years. Greater susceptibility is associated with girls, which is likely attributed to close contact play and the sharing of objects.
Head lice infestation is a common problem for children in Canada. Diagnosis, and treatment are discussed as well as the problem of heritable resistance, and alternate treatments.
Lice have developed resistance to some pediculicides and it is expected that with ongoing use, these pediculicides will probably become less effective.
Insecticides are the mainstay of lice treatment. Critical points and areas that are frequently missed are discussed, as well as the two main treatments that are available on the market.
Under Pronto Shampoo, its brand name, Pyrethrin-Piperonyl Butoxide is often used as an anti-lice treatment. Instructions and advisory notes are provided in this article.