Skip to Content
Illustration copyright 2002 Nucleus
Communications, Inc. All rights reserved.
Adult head lice are approximately the size of a sesame seed
[2.5 mm (0.1 in.) to
3.5 mm (0.14 in.)] and can vary
in color from white to brown to dark gray.
Louse eggs (nits) are much smaller [1 mm (0.03 in.)] and look like light gray or brown oval
cylinders glued to individual hair shafts.
Head lice spread easily from one person to another through close
bodily contact or through shared clothing or personal items such as hats or
ByHealthwise StaffPrimary Medical ReviewerJohn Pope, MD - PediatricsSpecialist Medical ReviewerSusan C. Kim, MD - Pediatrics
Current as ofNovember 20, 2015
Current as of:
November 20, 2015
John Pope, MD - Pediatrics & Susan C. Kim, MD - Pediatrics
To learn more about Healthwise, visit Healthwise.org.
© 1995-2016 Healthwise, Incorporated. Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Healthwise, Incorporated.
© Copyright 2017 Rush-Copley Medical Center • 2000 Ogden Avenue; Aurora, IL 60504
Main: 630-978-6200 • Physician Referral & Information: 630-978-6700 or 866-4COPLEY (866-426-7539)