Acute urticaria keeps flaring up even after the injection, indicating that the condition has not been controlled, or the patient has been exposed to the allergens that caused the flare-up at a later stage. Acute urticaria belongs to the skin allergic diseases, is caused by food, drugs, infections or some physical factors caused by acute limited edema, the skin will appear the skin, accompanied by intense itching. Acute urticaria has a rapid onset and usually disappears spontaneously within a few hours, but new hives tend to reappear and the total duration of the disease does not exceed 6 weeks. If the lesions keep appearing even after the patient has been treated with relevant drug injections, it may be due to the fact that the condition has not yet been controlled, or it may be due to the fact that the patient has come into contact with the allergens that caused the onset of the disease at a later stage, which leads to the recurrence of the condition. It is recommended that the patient should consult a doctor for timely examination, and can take antihistamines, cetirizine, loratadine, etc., and glucocorticosteroids, such as prednisone, etc., under the guidance of the doctor, and at the same time, the patient should avoid contact with allergens, and actively cooperate with the doctor’s treatment.
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