There is no fastest way to desensitize men. Desensitization takes some time. After allergy, the condition can be improved by avoiding contact with allergens, topical medication, oral medication and other methods. 1. Avoid contact with allergens: men need to clarify the allergens first, can go to the hospital to do allergen testing, life, avoid contact with things that may lead to allergies, such as chemical fiber clothing, animal hair, toxic dust, etc., to avoid the allergic reaction is getting more and more serious. 2. Topical medication: If men have skin reactions after allergy, such as local itching and red rash, they can apply local glycerine lotion to relieve itching, and if there is no hormone contraindication, they can also apply dexamethasone acetate cream, hydrocortisone acetate cream and other medications. 3. Oral medication: If the allergic reaction is more serious, you can take oral antihistamines to desensitize the treatment, common drugs are cetirizine hydrochloride, loratadine and so on. It is recommended that allergic men consult a doctor in a timely manner to clarify the cause of the disease and strictly follow the doctor’s instructions for treatment.