Skin allergies first to determine the severity of the condition, to determine whether the generalized skin allergies, or limited skin allergies, medication is as follows: 1, local skin allergies sometimes topical preparations can be, topical preparations are solutions, cleansing agents, antipruritic agents, disinfectants, anti-inflammatory agents. Not very serious, no special nature of the skin allergy patients can use glucocorticoid ointment, such as dermatitis ping, dermatidine acid or hydrocortisone ointment; 2, generalized skin allergy patients generally have allergies in many parts of the body skin, you can use anti-allergy drugs. Anti-allergy drugs are now divided into two categories, the first is the early application of anti-H1 antibody drugs, including paracetamol, cyproheptadine, ketotifen, phenylephrine, etc., need to be based on the degree of allergy and the patient's age, gender, the specific circumstances of the choice. This type of drug has the characteristic of easily passing the blood-brain barrier, so patients will have drowsiness, fatigue and sleepiness after taking it. This is the first generation of anti-allergy drugs, and now the second generation of anti-allergy drugs has been developed. The second-generation anti-allergy drugs do not easily pass the blood-brain barrier, so they are not likely to cause drowsiness, sleepiness and fatigue in patients, including loratadine, ibastine, imipramine, cetirizine and so on. Doctors give patients anti-allergy drugs have a principle, that is, according to the patient's generalization, the degree of the patient's request for treatment, and the clinical use of the reaction produced by the selection of the appropriate drugs for treatment.