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Head lice

Head lice

Overview

Head lice infect the scalp and hair and can be seen at the nape of the neck and over the ears. Head lice spread easily and quickly but do not carry disease as other lice do.

Review Date 2/17/2024

Updated by: Charles I. Schwartz, MD, FAAP, Clinical Assistant Professor of Pediatrics, Perelman School of Medicine at the University of Pennsylvania, General Pediatrician at PennCare for Kids, Phoenixville, PA. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.