A head louse is a tiny, wingless insect that can attach to a person's hair, where it feeds on tiny amounts of blood drawn from the scalp. Head lice, while annoying, aren't dangerous and they don't spread disease. Signs and Symptoms severe itching of the scalp nits (lice eggs that look like tiny oval specks of grey or yellow-white on the hair shaft close to the scalp) lice (gray or reddish brown tiny insects on the hair shaft) small red bumps on the scalp a rash on the scalp, with crusting and oozing (if severe) swollen lymph glands in the neck What to Do A doctor will recommend a medicated rinse or lotion to kill the lice. It's important to follow the directions for these products exactly because applying too much or too often can be harmful. Here are some ways to get rid of lice and their eggs around the house: Check everyone in the house for lice and get treatment if necessary. Wash all bed linens and clothing in very hot water, then put them in the hot cycle of the dryer for at least 20 minutes. Dry clean any clothing, bed linens, and stuffed animals that aren't machine washable. Vacuum carpets and any cloth-covered furniture in your home or car. Discard hair-care items or soak them in rubbing alcohol for 1 hour, then wash them in hot soapy water. While not necessary, you can remove nits from hair with a fine-tooth comb. Get Medical Care if Your Child: shows any signs of having lice is constantly scratching or complains of itching that doesn't go away has scratched the scalp to the point of redness, swelling, bleeding, or visible pus Think Prevention! You can help protect your kids from head lice by teaching them to: avoid head-to-head contact with other children not share combs, brushes, hair ties, hats, etc. not lie on bedding, pillows, and carpets that have recently been used by someone with lice Back to Articles Related Articles Pubic Lice (Crabs) Pubic lice, or "crabs," are tiny insects that usually spread through sex. Read More Pubic Lice (Crabs) Pubic lice are six-legged creatures that infest the hair in the pubic area. Pubic lice infestation is considered a sexually transmitted disease (STD), but it can be contracted in other ways. Read More Head Lice Lice aren't dangerous, but they do spread from person to person easily. They can also be hard to get rid of. Find out how to prevent lice -- and what to do if someone you know has them. Read More Head Lice Lice aren't dangerous and they don't spread disease, but they are contagious, annoying, and sometimes hard to get rid of. Learn more about this common childhood problem and how to get rid of those pesky little bugs. Read More Hey! A Louse Bit Me! Lice need to suck blood to survive, and they sometimes live on people's heads and lay eggs in their hair. Get the lowdown on lice in this article. Read More What Are Head Lice? Lice are tiny insects that live in a person's hair. Find out more in this article for kids. Read More Note: All information is for educational purposes only. For specific medical advice, diagnoses, and treatment, consult your doctor. © 1995-2021 KidsHealth®. All rights reserved. Images provided by The Nemours Foundation, iStock, Getty Images, Veer, Shutterstock, and Clipart.com.