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How to treat acute urticaria

    Acute urticaria is a common skin disease, the cause is more complex, the skin will appear red dots or lump, itching, and even the emergence of the nettle rash. If accompanied by chest tightness, breathing difficulties and other symptoms, the need to go to the hospital as soon as possible emergency diagnosis.

    pathogeny

    1 food, animal and plant factors.

    2 drugs, such as penicillin, sulfa, furazolidone, serum vaccine, immune mechanism caused by urticaria. And aspirin, morphine, atropine, vitamin B1 and other drugs for the histamine release, can directly cause the mast cells to release histamine induced urticaria.

    3 Infection, including viruses such as hepatitis virus, bacteria, such as Staphylococcus aureus, fungi and parasites (such as Ascaris, etc.).

    4 physical factors, such as temperature changes, sunlight, friction, pressure, movement, etc. can be caused by.

    5 some autoimmune diseases, gastrointestinal disorders, metabolic disorders, endocrine disorders and mental factors can also cause.

clinical manifestation

    Acute, systemic itching and the size of the whealing. Wheal merging into a large lesion, or a map like damage. The lips can be swelling, or swelling of the pharynx and cause laryngeal oedema, causing difficulty in breathing, and even suffocation. Skin lesions tend to subside within a few hours, but one after another, and continue to occur new damage.

    The whole body can be accompanied by fever, respiratory symptoms can have asthma and dyspnea. The intestinal tract can have abdominal pain or abdominal distension, which can be accompanied by diarrhea. Severe patients can have low blood pressure, dizziness, chest tightness and other symptoms, a very small number of shock. Most of the patients with urticaria and itching, and other symptoms.

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