Definition of lice
Lice is a name that indicates a very small variety of insects. They are known to live on living organisms, where they feed on human blood and other animals. They often live on the scalp to absorb blood constantly. They may also live on any part of the skin. Human, because of its very small size, it is difficult to see them and is difficult to catch and get rid of them. Lice insects cause severe itching to their families, and may play a role in the transmission of certain diseases other than their parasitic damage.
Lice are classified into two main groups, the chewing lice (or bird lice), and the lice. Bird lice have a strong mouth that can chew food and spread like a parasite that feeds on the remains of organic matter on the body of the family. It lives among the feathers of many species of birds or on their hair and skin. It also spreads in many pets living in cities and farms, But he never approaches man. On the other hand, the absorbent lice have a mouth to penetrate the skin and absorb the body of the host, and each of his legs equipped with a strong claw that can cling well to the hair of the family, and this lice is living on the human body.
Biological qualities of lice
Lice males range from 2 to 3.5 millimeters, while females are 3.5 to 4.5 mm. The head of this insect is conical and slightly long, and is connected by a pair of sensor horns, but it lacks almost the eyes (they are either inert or nonexistent), and the shape of its mouth varies from the piercing perforated to the jaw. She does not have any wings, and each of her legs has a claw like a hook to help her cling to the body of her victim. These organisms breathe through holes on the sides of their abdomen.
Lice Life Cycle
Lice life cycle consists of several stages, can be divided into three basic:
- Egg phase : Most lice prefer laying their eggs on the hair shaft on the body of the host. The louse releases a sticky substance that makes its eggs stick to the hair follicles, especially in the area behind the ears and the back of the head from the neck. The eggs can also be placed in the human clothing folds. The form of egg lice in the form of white droplets resembling eye tears, called “wolves.” Lice eggs hatch after six to ten days, and egg shells can sometimes remain hair-hanging after hatching, and it is difficult to distinguish whether they contain the lice embryo or not.
- The stage of the fairy The nymph comes out of the eggs of the lice, and looks like an adult insect. The color is white or transparent. It feeds on the blood of the scalp and lives for 10 to 20 days, during which it undergoes several exfoliation processes to prepare for puberty.
- The stage of the adult insect : Where the nymph develops to become a full-grown louse. Lice are brown or gray in color and very high speed so it is difficult to hold, and live lice for thirty days on the body of the breadwinner, which may put a number of 200 to 300 eggs.
Lice damage
The problem of lice is relatively common among people, and the risk of becoming easily contagious. When you share personal objects (such as hair comb, hair scissors, or hats) it is easy to move lice from one person to another and may immediately move from contact With other people, especially with their heads hair because it attracts specific types of insects, and given the nature of this infection, it peaks in young children (nursery or primary school), because of their great tendency towards play and friction and exchange of objects. The disease has many disadvantages, apart from its symptoms of severe itching and others, it may be the cause of the transmission of serious diseases, the most famous and the most severe typhus, as well as trench fever and lice.
How to get rid of lice eggs?
There are many methods that can be used to get rid of the eggs of lice insects, which stabilizes hair growth in the scalp. In most cases, it is recommended to use any type of treatment twice, the second time comes after a period of seven to nine days, and the goal is to ensure the elimination of eggs that were left after the death of adult insects, which may be frozen after the end of the first treatment and death Other insects.
There are various ways to eradicate lice, including medical drugs sold in pharmacies specially produced to kill lice. They are sold in the form of head shampoos used before bathing, and it is not recommended to use more than one medical preparation at the same time to avoid any complications. On the other hand, you can get rid of lice combing hair with a brush dedicated to remove lice from the head (available in some pet stores), which must be rubbed hair every two or three days, and repeated until all traces of lice disappear.
Drying the hair with hot air is also an effective way to eliminate lice eggs. It destroys most eggs because of high heat and dehydration. It also kills a large number of adult insects. However, it requires repeated use every few days to eliminate any new eggs.
After eliminating the lice on the scalp, there will be no need to take any other action. The lice that live away from the human body (eg clothes or parts of the house) can not survive long without a breadwinner, and die within a few days. The desire to be very careful It is possible to wash clothes and boil hair supplies, combs and hair brushes, in hot water, it will be sufficient to protect them.
Traditional ways to get rid of lice
There are also some traditional recipes that are commonly used to get rid of lice, including:
- Recipe vinegar with olive oil : Put an equal amount of vinegar and olive oil in a bowl or bowl and mix well, then rub the hair with this mixture, and leave it for half an hour before bathing, and wash the hair and brush with the brush to remove lice.
- Tea tree oil recipe : This oil is able to eliminate the lice with a nerve paralysis if touched, so it is recommended to put some droplets (about 3 to 4 drops) in the shampoo and then wash the hair well, and combed – when finished – with the comb dedicated to remove lice.
- Recipe vinegar : In this recipe, soak the hair mixture vinegar for five minutes, and then dried with a towel, and then use the comb assigned.