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Lice are tiny insects that live on humans and feed on blood. They can't jump or fly, but they can spread easily from one person to another through close contact or shared personal items.
The main types of lice that live on humans are head lice, pubic lice (crabs), and body lice.
The main symptom of lice is itching. Scratching affected areas can make the skin raw, and these areas may get infected.
Current as of: September 20, 2021
Author: Healthwise Staff
Medical Review:Adam Husney MD - Family Medicine & John Pope MD - Pediatrics & Brian D. O'Brien MD - Internal Medicine & Kathleen Romito MD - Family Medicine & Susan C. Kim MD - Pediatrics
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