A sudden red rash on the body is usually associated with eczema, urticaria, contact dermatitis and other diseases, and should be combined with the cause of the disease to take general treatment, drug treatment.
1. Eczema: it is a chronic inflammatory skin disease that occurs on the surface of the skin, mainly manifested as red rash and itching. If there is liquid exudation, boric acid solution can be used wet compresses, in the absence of blisters and erosions, it is recommended to use topical glycerine lotion, topical dexamethasone ointment and other glucocorticosteroid therapy, can be used in conjunction with oral loratadine and other anti-allergic drugs.
2. Urticaria: related to contact with allergens, such as pollen, mites, dust and so on. Once the disease is diagnosed, it is recommended to find and avoid allergens as soon as possible, oral antihistamines, such as loratadine, cetirizine, can be combined with oral vitamin C, calcium and so on. The surface of the skin can be used externally to stop the itching of glycerite lotion.
3. Contact dermatitis: it is an inflammatory reaction caused by contact with external substances, manifested as skin rashes and blisters. Skin surface without ulceration, liquid exudation, etc., can be used externally with glycerine lotion, mometasone furoate cream; if there is liquid exudation, it is recommended that the use of boric acid solution wet compresses, oral antihistamine drugs, including loratadine, cetirizine.
A red rash on the body, if it is caused by the above factors, should be targeted under the guidance of a professional physician, follow the doctor’s instructions for medication, to avoid delaying the condition, resulting in an increase in red rash.