Head lice (pediculosis) are tiny insects that live on the scalp and feed on blood. These parasites can be found in the hair of anyone, but they particularly favor the hair of children who attend school or daycare, since they are places conducive to their transmission. 


The best way to tell if a person has lice is to have a visual examination of the scalp. If you find out that your child has lice, other members of the family may have them too. That is why you need to do a general inspection and treat everyone at the same time. Only people with nits or visible lice should be treated with a pediculicide (product that kills lice). Preventive treatment has no advantage. On the contrary, it can contribute to a very widespread problematic phenomenon: the resistance of lice to pediculicides available on the market. After doing all to kill lice question rises that how long will my head itch after lice are gone?

To do an effective exam, follow these steps:

Start by wetting the hair of the person to be inspected 

Use a lamp that provides adequate lighting; it is important to see well to detect nits or live lice. The latter tend to move more when exposed to light (they avoid it). A magnifying glass can also make it easier for you.  Lice contamination mainly affects children between 3 and 11 years old. Why? Simply because they often play head to head. Because a louse does not fly or jump, it is only able to crawl using its six clawed legs. It will therefore spread from head to head during close contact.

More rarely, the transmission can be done by a comb which passes from one hair to another with one or two lice which remain stuck in the teeth of the comb parasitology’s at the Avicenna hospital in Bobbing. But apart from the scalp, the lifespan of the louse is very limited because it feeds on human blood and needs to sting several times a day. Once ejected from the scalp, its life expectancy is limited to a few hours. “It is therefore useless to start washing everything and disinfecting everything.

On the other hand, it is strongly advised to eliminate the undesirable ones as quickly as possible before they have time to proliferate in the shelter in the childish mugs. Lice reproduce very quickly: the females will lay five to ten eggs (or nits) per day that they stick to the base of the hair. They are caramel colored when laid and turn whitish after hatching. “Firmly attached to the hair, the nits remain stuck after combing with a fine comb or after shampooing: this is what makes it possible to distinguish them from dandruff. The hatching of the nit releases a nymph, which becomes an adult louse in twelve to fifteen days. Does your child scratch their head, especially behind their ears and on the back of their neck? It is time to check to see if the lice are back.

Before treating, you have to be sure of the diagnosis and for that to have found living lice in the hair. The presence of nits, which are easier to find because they are immobile, is not a sufficient criterion for asserting the infestation, as it does not make it possible to differentiate between an active or past infestation. The search for lice is done with the naked eye or by running a lice comb through the hair. “Which is not always easy, especially when the hair is long.” This is why the doctor recommends washing the hair – the lice are sometimes visible in the foam – and using a detangle before combing the wet hair.

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