The common symptoms of urticaria are
1, physical urticaria, including urticaria caused by a variety of physical factors, according to their different characteristics, and can be further divided into the following types, different types of urticaria symptoms are slightly different.
2, autoimmune urticaria, clinical manifestations of chronic urticaria, but may urticaria symptoms more obvious. Histopathology and general chronic urticaria without significant difference. Patients often have autoimmune disease basis, such as common type pemphigus, dermatomyositis, systemic lupus erythematosus and so on.
3, chronic urticaria, the wind and repeated episodes, the course of the disease is longer. Seizures are generally mild, the number of rashes is small, sometimes only a few wind, is transient and does not cause the patient's symptoms, often in the evening seizures. There is a greater chance of accompanying cutaneous scratches, and a relatively low chance of accompanying abdominal and respiratory symptoms.
4, acute urticaria, this type of urticaria symptoms manifested in the onset of acute, sudden onset, the number of rashes, the area is more extensive, often a large sheet of wind. The course of the disease is short, easy to recur. In severe cases, it can be accompanied by systemic symptoms, such as headache, fever, generalized weakness, fatigue, etc., and there are more chances of combining with angioedema. If accompanied by mucosal lesions in the digestive tract, it can cause abdominal pain, diarrhea, constipation, nausea, vomiting, and in severe cases, abdominal colic. Accompanied by respiratory mucosal lesions can cause chest tightness, embarrassment, dyspnea, and even cyanosis.
5, contact urticaria: it is characterized by skin contact with certain substances after 0.5 ~ 1h caused by the wind and erythema, episodes of limited urticaria or systemic urticaria, or urticaria with asthma, or urticaria with other allergic reactions. This is the manifestation of contact urticaria symptoms.
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