Summer skin allergies redness and itching, you can use topical medication such as Dinaid cream, oral medication such as cetirizine oral solution. 1. local treatment: skin allergies caused by flushing, itching, you can use local glycerine lotion topical application to stop itching, severe symptoms can be used glucocorticoids, such as dinexed cream, flutemetasone ointment and other topical anti-inflammatory, anti-allergy treatment. 2. Oral medication: Oral antihistamines such as loratadine tablets, cetirizine oral solution, chlorpheniramine maleate tablets and other anti-allergy drugs can be taken, so that the symptoms can be resolved as soon as possible. It is also necessary to find and avoid suspected allergens, such as food, drugs, sunlight, etc.. Avoid scratching to prevent secondary bacterial infection. Keep the skin clean and dry. It is recommended to go to the hospital in time for the redness and itchiness of summer skin allergy, and the medication should be used according to the doctor’s instructions.