Some believe that itch mite threatens only those who disregard the rules of hygiene. In reality, clean people are also facing him, because the parasite feels well both in clean and dirty skin, and you can get scabies even on the way to work.
What does the itch mite look like?
To accuse arthropods in the initiation of the disease began only in 1687, although they knew about scabies even half a millennium before our era. This is due to the small size of the parasite - no more than a poppy seed, so it could only be examined in a microscope. Scabies mite, the photo of which is located below, has a round body and eight limbs that help it move in the stratum corneum of the epidermis.
Scabby itch - life cycle
The life of the parasite is no more than 1 month, males have a size of 0.15-0.2 mm, females reach 0.25-0.35 mm. The following stages of development of itch itching are distinguished.
- metamorphic - newly emerged larvae pave the way, penetrate into the hair bulbs;
- reproductive - ready-to-multiply individuals are selected on the surface of the skin for fertilization, and then bite the skin and leave the eggs.
How many lives does the scabies tick?
The parasite is sensitive to external conditions, for a comfortable life it needs a certain humidity and temperature, which it finds, deepening into the skin. Scabies mites outside the human body live no more than 5 days at 27 ° C, with a humidity of not more than 75% and a temperature of 21-22 ° C, it will last about 2 days. If the temperature drops below, the itch mite will fall into anabiosis, and with a negative value it will die. To kill the parasite with a temperature above 60 ° C, it takes about 10 minutes.
Eggs of an itch mite
After mating, the male soon dies, and the female re-enters the skin to lay eggs. The hemp tick is able to produce a special enzyme, which makes the skin suitable for eating. After 2-4 days, the hatched larvae begin to feed, making the skin in the skin. Then they pass through several consecutive lines - after 4, 5 and 6 days. The latter turns them into an adult, that is, to produce a new generation of scabies mites should spend 17-19 days.
How can you get scabies?
There are several ways of infection:
- Contact - scabies tick in a person settles when shaking hands, during sports events, sex and other interactions.
- Contact-household - parasites find a new master, moving through dishes, linens, towels, stationery, simulators. This way the scabies are more difficult to settle, because they need about half an hour to get into the skin. There is still the possibility of getting a parasite from pets that can be its bearer. At the same time, the animals themselves will not suffer, another type of such parasite, harmless to humans, is dangerous for them.
Scabies in humans - symptoms
Define the disease can only specialist, patients often confuse it with allergies and skin irritations for other reasons. Suspected scabies in the presence of several signs, only redness of the skin or a strong desire to scratch can be satellites of various ailments. To diagnose scabies, samples are obtained from the affected skin areas and sent to the analysis.
Scabies tick - symptoms:
- itching, worse at night and evening;
- sinuous lines on the skin;
- Rash that looks like a bubble with a liquid;
- blood and purulent crusts in the area of irritation.
The bite of the itch mite
The parasite after the bite deepens into the skin, where it multiplies. Scabies mite on the body is a scabie provoker, which is classified as follows.
- Typical. Characteristic of severe itching, scratching with crusts and visible on the skin movements.
- Without moves. Nocturnal itching persists, a rash and redness are visible, but there are no traces of parasite passage. This means that only the larvae are present, when they turn into an adult, the disease will take a standard form.
- The Norwegian. It occurs with prolonged intake of hormonal drugs, immunodeficiency , paresis and mental disorders. Itching is absent, rashes and redness spread all over the body, thick crusts are formed. The name was obtained because of the first country where the disease was thoroughly studied and described.
- Incognita. This type of disease occurs in people who often take a shower. Most parasites are eliminated from the skin during washing, so the symptoms are weak, the rashes are small, the itching is almost not felt. For help, a person does not apply, does not use funds from scabies, so he is a vector of the disease, not guessing about it.
The course of scabies mites
The resulting itching leads to the formation of scratching and rash, at the location of the larvae and their courses. Scabies mites at the person on a body search for a thin skin that it was easier to bite. For this reason, the characteristic locations are:
- elbows;
- stomach;
- palms;
- back and shoulders;
- the inside of the fingers;
- mammary gland;
- side and hip;
- genital organs in men;
- feet.
Scabular itch - control measures and prevention
If an itch mite is found in a person, treatment is required, the disease does not pass by itself. To eliminate the disease you need to destroy the mite and its eggs. With this, medicines for applying to the skin and disinfectants cope, allowing to eliminate parasites from clothes and other things. The use of folk remedies in this case is not recommended because of their low effectiveness, which leads to new outbreaks of the disease.
How to get rid of scabies mite?
Preparations for the elimination of the disease are issued in the form of sprays or creams. Scabies mite is eliminated when the following agents are applied to clean affected skin and areas adjacent to it.
- Sulfur ointment from scabies mites is a proven way to get rid of the disease. For adults, the concentration is 33%, for children - 15-20%. Rub the ointment one week a day.
- Spragal is an aerosol that is convenient for extensive lesions. Spraying is recommended in the evening after a shower, the next bathing is allowed only after 12 hours. Complete recovery occurs after the first application, but the symptoms may remain for another 10 days, because itching causes waste of vital activity of parasites.
- Crotamiton - is available as an ointment or lotion. It is used once a day until the disease is completely eliminated.
- Benzyl benzoate is an ointment with a 20% concentration of active ingredient for adults and 10% for children. Quickly absorbed, does not spoil clothes. Before applying, it is recommended to wash with warm water to open the pores and eliminate parasites. It is applied to the entire body, except the head. You can wash off after 12 hours. The agent does not kill the mites eggs, so it is rubbed again on the 4th day.
- Permethrin is a cream that helps to get rid of parasites after 2-3 applications.
Prophylaxis of scabies
It is not enough to remove from the body scabies mite, treatment involves preventing the re-infection:
- In a room with a patient, you need to do a wet cleaning every day with 1-2% solution of soda or disinfectants. Particular attention should be paid to objects where the itch itch could move because of frequent contact - door handles, table, remote from the TV.
- All clothing of the patient should be washed in hot water or subjected to boiling. If the child is sick, you need not forget about the disinfection of toys. Things that can not be washed must be ironed with a hot iron or left outdoors for 5-7 days.
- To prevent infection, one should not forget about personal hygiene and avoid contact with potential vectors of the disease.