Head lice are tiny parasitic insects that infest the hair on your head. They survive by feeding on blood and they feed once or more per day. Up to 12 million people get headlice each year in the United States alone. A similar problem, body lice, is less common in developed countries.

The most common symptom identifying head lice is scalp itching. The itchiness is caused by the saliva and feces of the lice, which irritate the skin. Despite being the primary symptom of a headlouse infestation, an itchy scalp is not grounds for a diagnosis of headlice. To make a proper diagnosis, it is necessary to make a thorough examination of the head, and headlice should only be diagnosed if you find an actual live, crawling headlouse specimen. It is imperative to properly diagnose headlice, because only people with an actual headlouse problem should be treated with the chemical shampoos or soaps that are used to kill lice.

Finding headlice on someone who has it isn't difficult; lice are most frequently found at the nape of the neck and base of the ears, and the insects can be seen by the naked eye. Lice are unable to fly or jump, so it is unlikely they will stray from their given host unless there is a lot of head-to-head contact. However, if lice are discovered it is a good idea to inspect the rest of the household members hair to prevent possible headlouse re-infestations. Lice generally do no survive on pets, but you may find the odd insect on your pet, so be sure to check them as well.

Headlice are more of a nuisance than a significant health issue. Headlice are not known to transmit diseases and

Head lice are transmitted from direct head to head contact most regularly, and less often through combs or hair pins, so it is not necessary to isolate yourself or your child if you have been diagnosed with headlice. If, after the application of two pediculicides (insecticide products), the lice are still present, see your doctor for prescribed medications that will assist the removal of persistent lice. Some lice are resistant to some shampoos or method of lice removal, but there are many available for use.

Remember that headlice isn't caused by poor hygiene; it is a common occurrence in elementary school-aged children and adults with children in their household. Because lice are so easily killed, there is no need for panic, but it is a good idea to launder in hot water clothing, bed sheets, pillows and toys that have come into contact with someone with head lice. Stuffed animals can also be put into bags and stuck in the freezer to kill off any errant lice. Both of these methods will kill the lice and the eggs.

It was a shock to discover I had head lice, so I researched into it and found that it is usually healthy hair that is most affected. I made the most of my research by creating a website for helping people with head lice at http://www.headlousecure.com.

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