Psoriasis symptoms: itch, rash, peeling
Whom to address: dermatologist
Analyses and inspections: skin biopsy
Treatment methods: cryotherapy, PUVA - therapy, plasma exchange
Psoriasis – a chronic noninfectious disease which is most often shown in videvysypaniye and peelings of skin.
About 4% of the population of the globe suffer from psoriasis. It can develop at any age from the moment of the birth and to extreme old age, however most of all psoriasis "loves" young people. The fact that 70% of patients, get sick with psoriasis aged till 20 years demonstrates to it.
If on skin there were rashes reminding psoriasis – follows obratitsyak to the dermatologist. Psoriatichesky rashes represent the shelled itching plaques of various sizes. At the same time plaques at psoriasis can settle down on elbows, knees, hairy part of the head or other parts of a body. The doctor will be able to make the exact diagnosis and, depending on its form, to appoint treatment.
Psoriasis reasons
Psoriasis is an abnormal reaction of an organism to external irritants at which on separate parts of the body the top layer of skin dies off much quicker, than normal. If usually the cycle of division and maturing of cells of skin occurs in 3 - 4 weeks, then at psoriasis this process proceeds in only 4 - 5 days.
Now psoriasis is considered as a hereditary multifactorial disease: not one, but the whole complex of the reasons – immunological shifts, a metabolic disorder, the accompanying endocrine and neurologic frustration is the cornerstone of an illness. At the same time it is possible to tell precisely: psoriasis — not an infectious, so and not infectious disease.
The reasons of developing of psoriasis are still finally not found. In this respect there are various theories.
On one of theories, there are two types of psoriasis:
- Psoriasis of the I type is caused by the descended breakages of immune system. About 65% of people are ill this form of psoriasis, and the disease is shown at young age, from 18 to 25 years.
- Psoriasis of the II type is shown at people 40 years are more senior. At this type psoriasis is not descended and is not connected with breakages in cages by immune system. And unlike psoriasis of the I type which prefers skin psoriasis of the II type affects nails and joints more often.
According to other theory, only the immunity violations caused by various factors are the reason of psoriasis: it can be a stress, either infectious diseases, or a frigid climate, or improper feeding. For example, it is noted that alcohol can provoke an exacerbation of psoriasis — especially it belongs to beer, champagne, hard alcoholic drinks. The use of the products containing vinegar, pepper, chocolate also worsens the course of a disease and can cause an exacerbation of psoriasis. According to this theory, psoriasis is a system disease. It means that at serious violations in work of immune system, process can extend to other bodies and fabrics, for example, on joints. As a result psoriatichesky arthritis of which damage of small joints of brushes and feet is characteristic can develop.
Psoriasis symptoms
Symptoms of psoriasis are the inflamed, shelled spots of red color which are followed by a severe itch. Such spots (plaques) settle down on skin of hairy part of the head, knees and elbow joints, in a lower back and in places of skin folds more often. Approximately at a quarter of patients nails are surprised.
Depending on seasonality of recurrence (an exacerbation of a disease) distinguish three types of psoriasis: winter, summer, uncertain. Most often the winter type of psoriasis meets.
In the period of an aggravation of display of psoriasis on hands, on a lap, on the head, and also in a lower back and in places of skin folds act in the form of reddish plaques. Their sizes vary from a pin head to the extensive areas the size in a palm and more.
Rashes usually are followed by a peeling and a painful itch. In the course of a peeling superficial scales easily slushchivatsya, remain more dense, located in depth (from here and the second name of psoriasis — scaly deprive). Sometimes in the field of affected areas of skin there are cracks and suppurations.
The so - called phenomenon of Kebner is characteristic of the progressing psoriasis: development of psoriatichesky plaques in places of injuries or scratches of skin.
Approximately at a quarter of patients nails are surprised. At the same time there are dot deepenings and spottiness of nail plates. Besides, nails can be thickened and crumble.
In the summer, under the influence of sunshine, at patients with a winter form of psoriasis symptoms weaken, and sometimes at all disappear. Patients with a summer form of psoriasis, on the contrary, are recommended to avoid influence of the sun as it worsens a course of disease.
Diagnosis of psoriasis
The dermatologist diagnoses psoriasis. It is necessary to address it at emergence on skin of the rashes similar to psoriatichesky — plaques of various size, red, itching and shelled. For specification of the diagnosis the skin biopsy can be required.
Treatment of psoriasis
If the doctor revealed psoriasis at an initial stage, then it is quite possible, to you not remedies will be appointed mainly preventive, but.
At considerable displays of an illness apply the following methods of treatment of psoriasis:
- cryotherapy — a method of holodovy influence;
- plasma exchange - blood clarification,
- therapy by an ultraviolet — treatment consists in the short - term procedures similar to visit of a sunbed. For bigger efficiency of treatment of psoriasis this method is quite often combined with reception of special drugs (PUVA - therapy).
Do not try to be engaged in treatment of psoriasis in an ultraviolet without recommendations of the doctor at all. At psoriasis small doses of an ultraviolet are medical, and raised — opposite, can urge forward development of an illness. The same treats also solar bathtubs.
Unfortunately, so far nobody knows how to cure psoriasis completely as the organism "holds in remembrance" an illness in the form of biochemical, immunological and functional changes. Recurrence of psoriasis can happen at any time therefore patients with such diagnosis need to be observed constantly at the dermatologist.
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