Urticaria is an allergic skin disease with wheal itching as the main symptom. Oral antihistamines such as chlorpheniramine, cyproheptadine, loratadine, ebastine, etc. Vitamin c and calcium also have auxiliary effects. External use calamine lotion, hydrocortisone cream, dexamethasone, etc. Avoid drinking alcohol and pay attention to finding allergens to avoid further contact. If the symptoms are not relieved or aggravated, nausea, vomiting, abdominal pain and diarrhea will occur. Taking medicine to treat urticaria will not get angry.