Symptoms of skin allergy redness and itching require active investigation of allergenic factors and treatment measures including anti-allergy, anti-inflammatory, and anti-itching treatments. Avoid spicy, stimulating foods and seafood, and take orally Ebastine tablets, Moisturizing Anti-itch Capsules, and Prednisone Acetate tablets, among other medications. Apply Desonide Cream to the affected area when necessary. If symptoms repeatedly occur, it is necessary to further test for skin allergens, including food, inhalants, contact substances, additives, pollen, etc. Pay attention to wearing cotton underwear, avoid scalding with hot water, and excessive use of alkaline substances for washing.