Sudden redness and itchiness of skin allergy, the first thing to do is to keep away from the allergens, and then under the guidance of a professional doctor for physical therapy and drug treatment.
1. Stay away from allergens: patients should first go to the hospital immediately for appropriate examination, clear allergens, and in the future life away from the allergens, good personal protection.
2. Physical therapy: applying cold compresses to the localized red and itchy skin can effectively promote capillary contraction, reduce local skin congestion and swelling, and alleviate the symptoms of redness and itchiness.
3. Medication: Antihistamine drugs, such as chlorpheniramine, diphenhydramine, loratadine, etc., should be taken under the guidance of a professional doctor for anti-allergy treatment.
Sudden redness and itching of skin allergy should be clearly diagnosed, timely treatment, and pay attention to stay away from allergens in the future life.