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Acute urticaria is usually the first full-body skin was itching, then there different sizes of wind groups, showing bright red or pale color. This style corporation often suddenly, in a few minutes to subside within a few hours or 10 hours, without leaving any trace, one day attack can be repeated several times. Some patients are accompanied by abdominal pain, nausea, vomiting; some patients have varying degrees of fever; and in severe cases shortness of breath, wheezing, difficulty breathing, and even pale, blood pressure and other shock phenomena. There are many drug treatment of urticaria Among them, the effect of hormonal drugs for the best, hormone drugs effective, and itching clear, the wind subsided mission quickly, but we would like to remind you: hormone drugs, with as little as possible. Currently, the treatment of urticaria Antihistamines to use more or less clothes, corticosteroid drugs for more than temporary suppression, such as oral medicine, oral hormones, topical solution, lotion, emulsion, cement paste, oil, ointment, emulsion, Tu Remover, tincture and hard ointment. A long time or the use of high-dose topical corticosteroid class of drugs, will lead to addictive drug dependence, the most common is the condition improved after treatment, once the withdrawal, the drug increased the primary lesion site. When re-using hormones, the above-mentioned condition improved or disappeared; the event of further withdrawal, anti-rebound relapse, but also more serious than before. Patients after treatment in order to avoid the pain entirely dependent on hormones. Will be obvious skin thinning, telangiectasia, and sometimes other symptoms of purpura, especially in the face, there may be a deeper continuity of erythema. Longer with the hormone, resulting in rebound allergy is also heavier. Make the skin thin, fragile, atrophy, telangiectasia, purpura, fungal infections, acne-like dermatitis and so on. Become vulnerable to injury; also mild hirsutism, sweating, subcutaneous bleeding and wound healing difficulties. In particular, some skin is even more inappropriate use of hormonal preparations. If the long-term or short-term high-dose injection or oral administration corticosteroid hormone therapy, but also cause obesity, hirsutism, acne, elevated blood glucose, hypertension, edema, serum potassium decreased menstrual disorders, osteoporosis, aseptic bone necrosis, complications such as stomach and duodenal ulcers. To the kidneys can also cause some damage, such as increased glomerular disease, proteinuria and increased glomerular sclerosis, calcification, or prone to cause kidney stones, kidney induced or exacerbated by infectious diseases, causing hypokalemic kidney disease. Can also cause the body of sugar, protein, fat and water, electrolytes and a series of material and metabolic disorders, damage the body's defense system and inhibits the immune response capacity.  Susceptibility to winter cold urticaria is a special type of urticaria is the human body exposed to the cold environment caused by an allergic reaction, often immersed in cold water or contact with cold substances in parts of edema and wind group, more common in the face, hands, also can affect other parts of the consciously itching, and some have headaches, skin flushing, low blood pressure and other systemic symptoms, severe shock may occur. Urticaria cold urticaria is a type, its clinical manifestations are mainly exposed to the cold conditions, the different parts of the itching occurs and wind groups. Lesions may be limited under the conditions of exposure to cold and contact with cold objects or parts of the site can also be pan-fat, can affect oral mucosa, and even expressed as headache, chills, diarrhea, and tachycardia and so on. Contact with the cold winter, a chance to object, so the disease easy to see. 2010-02-23
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