How people get lice

Pediculosis - parasitic disease provoked by human lice. There are several varieties - head, wardrobe, pubic. The insect feeds on blood, lives on the skin, the personal belongings of the patient, the eggs are attached to the hair. Children and adults are infected with lice.

Varieties of parasites

In nature, there are only 3 types of insects that cause head lice.

Head lice

Most often inhabit head lice, which gave the name of the species of parasites. An insect with a body length of 3 mm lives exclusively on the head. It feeds on blood. Laying eggs - nits closer to the hair roots. By the location of the nits, you can determine how long the infection occurred. Eggs are able to change color depending on the tone of the hair. On light become almost invisible. How do lice and nits, visually displayed on the photo.

Lice and nits

During the day, the mature individual lays about 4 eggs. Lice life cycle makes 30-40 days. Head lice causes severe itching, provokes scratching, abrasions, scratches. In the absence of appropriate measures, infection occurs in the wounds. The disease becomes severe.

Clothes room

Body louse in everyday life is called bed, linen. Outwardly, not much different from the head. For some time, it was believed that bites appeared on the body due to severe infection with head lice. The parasite lives in folds, seams of bedding, personal items.On the human body crawls to feed.

Linen lice

Interesting!

Unlike previous parasites, nits do not lay on the hair. Forms a kind of nest in the bed of the patient, things.

According to the way of life resembles bed bugs. With bites on the body, it is difficult to determine which of the bloodsuckers did.

Pubic

Pubic lice

An insect with a body length of up to 2 mm is more like a small crab. It settles mainly in the pubic part of the patient, lays eggs on the hair. With a strong infection occurs armpit, on the eyebrows and eyelashes, belly, legs. On the head pubic louse not taken for two reasons - the structure of the hair does not fit, it is difficult to get to the blood vessels.

Interesting!

The parasite is almost compared with the skin, bites into claws, it becomes imperceptible. Initially, it reminds a mote that has accidentally entered, which is difficult to tear off the skin. Nits less than 1 mm in size cannot be seen with the naked eye.

Ways to transmit pediculosis

The disease, regardless of the type of lice is transmitted from a sick person to a healthy one in three ways:

1. in close contact;
2. through personal items;
3. on water.

Being at a distance of 50 cm from the patient is safe. There is no danger of a handshake. Contrary to popular belief, head lice do not infect animals. For this reason, pets cannot become a source of illness. However, animals have their own kind of parasites - lashingwhich are often confused with lice.

Head lice infestation

Humanity knows several ways to catch lice.

• Touching your hair to the head of the patient. This transmission path is the main one. Adults can become infected from a child. In order for an insect to move to another place of residence, it is necessary to at least hold in close contact for 10 minutes. In most cases, the transfer of parasites occurs between loved ones, lovers, friends. When reclining on the bed, couch, long hugs, kisses.
• Lice infestation through things - headdress, hairbrush, accessories, towel. In this way more often are infected with pediculosis in kindergartenschool team. There is an exchange of things between girlfriends, classmates. You can pick up pediculosis through someone else's towel.
• Adults in most cases are infected through bedding.Lice can fall on a pillow, exist for more than 1 day without food. Contagious bed becomes the cause of the development of head lice.
• Least of all, an infectious process occurs through the water in swimming pools, closed reservoirs. Provided that there will be no rubber cap on the head. From the hair the insect falls into the water. Able to swim for about 2 days. If at this time she has access to the human hair, the parasite will definitely take advantage of the moment.

In order not to become infected with lice, it is necessary to adhere to the basic rules - use only your things, go to bed with new, washed accessories, keep a distance. Periodically check the head for insects, use means for the prevention of pediculosis. Baby can catch at school, kindergarten, public institutions. When appearing lice symptoms should start immediately pediculosis treatment.

Infection with pediculosis

Your louse is in the patient's things that he often wears in bedding. To catch lice from another person, it is enough to put on his thing, hang his side by side or spend the night in a patient's bed.

Linen lice

Finding clothes louse is much more difficult. At the slightest opportunity, it settles in the folds of bedding, gets out to eat from there. It happens at night when a person is sleeping. Louse Bite invisible if the parasites are still small. After 2 weeks, the first representatives of the new generation will appear. As long as a person notices the problem, the parasite will be a whole population. The clothes become infected with the one that the patient often wears. To get rid of bed lice, it is necessary to process things at high temperatures or by means of insecticides, pay attention to hygiene.

Infection with pubic lice

In the risk zone of the person leading a depraved life, sexually active adolescents, children in disadvantaged families.

• The main way - intimacy. Infections with head lice can occur upon contact of hair. If the pubis is shaved, no infection will occur.
• The second method of transmitting head lice is personal items. Underwear, towels. So the child gets infected from their parents. Outside a person, a pubic louse can exist for about 5 days.
• Lice swim well on the surface of the water. Live in a liquid medium for about 7 days. You can pick up lice in a closed pond, pool.

Curing pubic lice is easier than other types - just shave your hair, apply a special tool, follow the instructions. After 14 days fix treatment.

Pubic lice

Development of pediculosis

Incubation period makes 7-14 days. During this time, the female lays eggs 4 pieces per day. Nits are attached to the hair with the help of a sticky substance, they are not washed off with water, detergents, they are not combed out with ordinary combs. Contagious nits? Not! They are not able to detach from the hair.

The larva looks like an adult, begins to feed, barely born. During a week, there pass 3 stages of maturation, during which an individual molts three times. At the last stage, the formation of genitals is completed. Immediately after the molt begins breeding process.

Lice can be noticed when a new generation of lice appears. At lice bites saliva is released, which dilutes the blood. With the accumulation of a certain amount an allergic reaction occurs. There is a strong itch. Adult insects concentrate in the temporal part, on the back of the head, on the forehead area.

Interesting!

Unpleasant sensations intensify in the evening. With the onset of darkness, the parasites begin to aktivnichat.When infected with lice, a person notices itchy bites on the body in the morning.

In connection with the fashion for intimate hairstyles with a minimum amount of hair, pubic lice in person gradually fading into the past. Body lice are found in people with no fixed abode, in dysfunctional families. Head lice infects everyone, regardless of social status, status. It is a common dangerous disease. Means for the treatment of pediculosis sold in pharmacies, prepare their own.