There are diseases such as vasculitis of the skin, which are mainly allergic in nature. These diseases occur, as a rule, long-term, but do not cause serious complications. However, these diseases are often poorly tolerated by patients, causing them to develop neuroses.
Causes of allergic skin vasculitis
In allergic vasculitis of skin damage happens blood vessels of the skin as a result of allergic reactions. The cause of the disease may be different foci of infection in the body (chronic tonsillitis, carious teeth, pustular rash on the skin, etc.), long-term toxicity of various origin (including alcohol, drugs, nicotine), allergies to medications, food or any other substance . The starting point may be hypothermia, prolonged sun exposure, injury and so on.
Moreover, in patients allergic vasculitis almost always have a genetic predisposition to such diseases.
All allergic vasculitis skin can be divided into the superficial and deep. They can proceed acute and chronic.
Superficial skin allergic vasculitis
For superficial allergic vasculitis of skin is a disease, syndrome Miescher - Curtain. This affects the small blood vessels of the skin without the formation of blood clots in them. Disease manifests the appearance of small-sized lesions in the form of red spots, sometimes receiving a hemorrhagic character. Such localized rash legs, at least - on the skin of the hands and face. For the first time the disease begins suddenly after an exacerbation of a chronic infection. The general condition of the patient, as a rule, does not suffer, but possibly a mild fever, and joint pain
Joint pain - how to understand what is going on?
. The disease tends to prolonged recurrent course.
Allergic arteriolitis Ruiter can occur in different ways. It usually begins with the appearance of red spots on the skin, which then become hemorrhagic in nature. But may appear rash and other elements - limited pockets of dense edema
Prevention and treatment of edema - it is important to understand the root cause
, Tense blisters, pustules (blisters with purulent contents), small dense knots. Some types of this disease is a rash nature of nodules the size of a pinhead or larger, flaky and prone to necrosis (tissue death), and ulceration. The disease is also prone to long duration, but sometimes goes after you delete or prolechivaniya foci of infection.
Deep skin allergic vasculitis
With deep allergic vasculitis of skin vascular lesions of the skin takes place medium-caliber muscular type, located on the border of the skin and subcutaneous tissue.
An example of such a disease may be allergic granulomatosis Chardjui - Strauss This is a serious disease with skin manifestations in the form of patches, plaques and nodular lesions, accompanied by bouts of asthma, the appearance in the blood of a large number of eosinophils
Eosinophils - neutralize foreign protein
(one of the types of leukocytes
White blood cells as the basis of immunity
, Increasing the number of eosinophils in allergy), renal disease. It is also possible destruction of heart, lung and gastrointestinal tract. In patients with this disease is usually detected increased sensitivity to the microflora of the paranasal sinuses.
Subacute migratory hypoderm Vilanova - Pinola occurs predominantly in women. The disease manifests itself on the skin the appearance of small (1-2 cm in diameter) dense painless nodes in the subcutaneous tissue of the legs (often on the anterior surface of the outer legs and the lower third of the thigh). The skin over these elements is usually not changed. A few days later as a result of peripheral growth node turns into a flat plaque with a diameter of 10-20 cm, and the skin over it is red. Disease lasts from a few weeks to several months. Scarring after recovery remains.
Vascular Garkavi allergies - severe febrile disease, occurring with lesions of the internal organs. It is characterized by an increased sensitivity to non-bacterial antigens (tobacco, dust, food allergens). It is characterized by the appearance of the skin lesions of various - spots, papules, vesicles, necrosis areas.
The disease usually occurs with a high temperature development of lesions in the internal organs.
Diagnosis and treatment
The diagnosis is usually placed on the basis of characteristic symptoms and confirmed by histological examination of the skin with vascular changes. Be sure to come to light and being treated all foci of infection in the body.
Appointed antihistamines (suprastin, tavegil), were injected intravenously with calcium chloride solution. If this treatment does not help, use glucocorticoid hormones.