Head lice infection is called pediculosis. Lice are parasites that feed on blood and can be found on the scalp and hair of infected people. Signs and symptoms of head lice infestation include a tickling sensation, itching, and sores on the head. Head lice may be eliminated with various over-the-counter shampoos and washing all clothing and bed linens in the hot water cycle. Combs and brushes should be disinfected, and the floor and furniture should be vacuumed. Read more: Head Lice Article
Multimedia: Slideshows, Images & Quizzes
Bad Bugs: Identify Insects and Bug Bites
What do bed bug bites look like? How do you treat bug bites? Why do bug bites burn? See spider bite pictures and learn how to...
Lice & Nits: How to Get Rid of Head Lice
Learn how to get rid of head lice. Lice attach themselves to the scalp and feed off of human blood. Discover head lice symptoms...
Picture of Head Lice
Pediculus humanus capitis, parasitic insects found on the heads of people. See a picture of Head Lice and learn more about the...
Picture of Body Lice
Scattered nits seen on the seams of clothing. See a picture of Body Lice and learn more about the health topic.
IMAGESSee a picture of head lice and other types of bites and infestations See Images
Related Disease Conditions
Itch (Itching or Pruritus)
Itching can be a common problem. Itches can be localized or generalized. There are many causes of itching to include: infection (jock itch, vaginal itch), disease (hyperthyroidism, liver or kidney), reactions to drugs, and skin infestations (pubic or body lice). Treatment for itching varies depending on the cause of the itch.
Dandruff (seborrhea) is a skin disorder that results from neither too much moisture nor too much oil. Dandruff can be treated with shampoos that contain tar, salicylic acid, zinc, selenium sulfide, or ketoconazole.
Blepharitis is inflammation of the eyelids. Acne rosacea, staphylococcal bacteria, allergies, sensitivities to makeup or contact lens solutions, head lice, or other conditions may cause blepharitis. Symptoms and signs include itchy eyelids, burning sensation in the eyes, crusting of the eyelids, light sensitivity, red, swollen eyelids, loss of eyelashes, and dandruff of the lashes and eyebrows. Proper eyelid hygiene and a regular cleaning routine controls blepharitis.
Bedbugs (Bed Bugs) vs. Lice
Bedbugs are small blood-sucking parasites that feed on mammals and birds. Some people do not have any symptoms of bedbug bites while others have them they include pain and reddish-colored skin lesions where the bite is. Bedbugs are found in temperate and tropical climates worldwide. Bedbugs usually feed every five to 10 days. Bedbug bites usually do not need treatment. Bedbug infestations are difficult to get rid of. Bedbugs are a problem worldwide, are resurging. There are three types of lice, head, body, and pubic. Head lice is a grey-white animal about the size of a sesame seed and can be mistaken for dandruff. Head lice are transmitted from the body to other household items. They produce between seven to 10 eggs (nits) annually. Head lice is transferred from head-to-head contact. Body lice are slightly bigger than head lice and look like head lice. Body lice is transferred from human to other household items. Pubic lice or "crabs" is distinctly different from the head and body louse. Pubic lice in adults is transferred by direct sexual contact. Children and others get pubic lice via nonsexual transmission from their parents, relatives, and friends who share clothing. Lice bites are bluish in color sore that develop on different areas of the body. Condoms do not prevent from getting pubic lice. The different types of lice have different treatment. Lice can be eradicated from your home.
Lice vs. Fleas
Lice and fleas are small wingless insects. Lice are parasites that can crawl and infest the human skin and scalp. Although they can bite people, fleas are parasites that mainly feed on non-human hosts and can jump from one host to another. Lice infestations and fleabites are treatable and typically do not cause long-term problems with proper treatments for home, people, and pets.
Children's health is focused on the well-being of children from conception through adolescence. There are many aspects of children's health, including growth and development, illnesses, injuries, behavior, mental illness, family health, and community health.
Pubic Lice (Crabs)
Pubic lice (crabs) are parasitic insects found in the genital area, and are primarily spread through sexual contact. Symptoms of crabs include itching and visible nits (lice eggs) and crawling lice. Treatment includes using lice-killing shampoo and washing bedding and clothing in hot water.
What Are the Types of Eye Care?
Many common eye disorders resolve without treatment and some may be managed with over-the-counter (OTC) products. It's important to visit a physician or ophthalmologist is the problem involves the eyeball itself or the condition hasn't improved after 72 hours of use of an OTC eye care product.
Head Lice vs. Dandruff
Dandruff is a condition that causes dry flakes on the scalp. Lice are parasites. Head lice infestations are very contagious. Both head lice and dandruff have similar signs and symptoms: scalp itching and tiny white material on the hair shafts. Lice treatment involves the application of over-the-counter shampoos that contain permethrin or pyrethrin followed by nit and louse removal with a fine-toothed comb. Dandruff treatment incorporates the use of anti-dandruff shampoo.
Head Lice: Where Do They Come From?
Head lice are tiny wingless insects that may be found on the head, eyebrows, and eyelashes of people. They feed on human blood many times a day and live close to the human scalp. Head lice infestation can affect anyone; however, it is more commonly seen in children.
How Do You Get Rid of Lice Fast?
Learn what medical treatments can help with lice and speed up your lice recovery.
Lice vs Dandruff: How Will You Tell the Difference?
Lice and dandruff are two things that have been confused with each other for a long time. However, they are very different. They have different causes, risk factors, appearance, location and treatment.
Head Lice Causes, Symptoms, and Treatments
Lice (singular: louse) are tiny insects (known as parasites) that are most commonly found on the head (scalp). Hence, they are also referred to as ‘head lice’. The other sites where lice can be seen are behind the ears and on the back of the neck.
Treatment & Diagnosis
Medications & Supplements
Prevention & Wellness
- Topical Treatment for Head Lice Approved for OTC Use
- Health Tip: Treating Head Lice Safely
- Health Tip: Prevent the Spread of Head Lice
- Health Tip: Getting Rid of Head Lice
- Could Common Insecticides Be Tied to Behavior Issues in Kids?
- New 'Superlice' Resist Most Over-the-Counter Remedies
- Head Lice No Cause for Panic, Expert Says
- Head Lice Now Resistant to Common Meds in 25 States
- Doctors Say Head Lice Should Not Bar Kids From School
- When to Keep Kids Home From School
- Health Tip: Check Your Child for Head Lice
- Back-to-School Prep Includes Lice Review
- Head Lice Growing Resistant to Standard Meds
- Keep Lice Off Your Child's Head
- Insecticide-Laced Underwear No Match for Lice
- Doc Dispels Common Myths About Head Lice
- Health Tip: Reduce the Risk of Head Lice
- New Treatment May Kill Head Lice -- Fast
- Health Tip: Help Keep Head Lice From Coming Back
- Head, Body Lice Are Genetically Very Similar
- FDA Approves No-Comb Treatment for Head Lice
- Dealing With Head Lice
- Childhood Leukemia, Brain Cancer on the Rise
- Back to School Can Mean a Return to Head Lice Worries
- Kids' Habit of Wallowing Caters to Lice
- Head Lice Grow Resistant to Treatments
- Pill Kills Hard-to-Treat Head Lice
- New Treatment Effective in Killing Lice
- Benzyl Alcohol Lotion Approved for Head Lice
- Health Tip: Recognizing Lice Infestation
- New Device for Killing Head Lice