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Head Lice: Appearance on Hair

Head lice and their eggs (nits) can be seen on hair, the nape of the neck, and behind the ears. They can vary in color from white to brown to dark gray. The eggs are tiny round or oval shapes that are tightly attached to the hair near the scalp and do not slide up and down on the hair. The adult louse is about the size of a sesame seed.

By Healthwise Staff
Primary Medical Reviewer Kathleen Romito, MD - Family Medicine
Specialist Medical Reviewer Susan C. Kim, MD - Pediatrics
Last Revised November 23, 2010

WebMD Medical Reference from Healthwise

Last Updated: November 23, 2010
This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.

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