Itchy rash treatment does not exist the best method, need to be under the guidance of the doctor according to the doctor’s prescription medication, treatment methods include drug therapy as well as physical therapy. Western medicine medication: anti-allergy and itch relief, commonly used topical medications include mometasone furoate cream, hydrocortisone butyrate cream and other glucocorticosteroids, or oral loratadine tablets, cetirizine tablets and other antihistamines. Oral and topical medications can be used together. Chinese medicine treatment: itchy rash is mainly related to dampness and heat, can be taken orally to clear heat and relieve dampness and detoxification of proprietary Chinese medicines, such as dampness and toxicity capsule, dermatological blood toxin pills and so on. Can also be used externally honeysuckle, mugwort, amaranth and other Chinese herbal decoction scrub itching. Some traditional Chinese medicine treatments such as cupping and bloodletting are also useful. Physical therapy: Phototherapy is the main treatment, commonly used therapeutic light helium-neon laser, red light and so on. For itchy nodules that are difficult to go away, carbon dioxide laser and freezing can be used to destroy the itchy nodules.