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Monday, March 7, 2016

What are Lice? Signs and Symptoms of Head Lice



Lice are small wingless insects that feed on human blood and love to live in hairy areas. Lice are not really dangerous but are annoying, irritating, and contagious. It is interesting to note that there are 3 types of lice that can live in a human body. These include head lice, pubic lice, and body lice. In medical terminology, lice are called pediculosis, an infestation of tiny blood-feeding insects.

The lice start out as nits, then convert into lymph, and then grow into adult lice which are capable to reproduce again. Thelife cycle of licelasts for approximately thirty days. If lice are kept away from human body, they can only live for 2 days. Pediculus capitis humanus is the most common type of lice which is the head lice and is most common among kids.

In acute cases of head lice, infestation can be generally found in the scalp but in severe cases when left untreated, the infestation area gets bigger and can cover some parts of neck and face areas. One adult louse has 6 shaft-like legs that help in facilitating ease of movement and a better grasp on the hair.

As you are aware, the most important symptom of head lice is when your child starts to violently scratch his/her head with both hands. Other symptoms and signs of severe head lice infestation include tiny red bite marks on the scalp and appearance of white nits in the hair and on the scalp.

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