Skin allergy is also known as allergic dermatosis, is the skin contact with exogenous allergic substances caused by allergic diseases, and there is no so-called fast treatment effect of the drug, the specific efficacy of individual differences, can be relieved by topical medication, oral medication, home care and other ways. 1. Topical medication: For skin allergy symptoms, you can generally use glycerite lotion, which can play a role in stopping itching and astringency, improve local itching symptoms, and prevent scratching and secondary infections. At the same time, you can also use glucocorticoid ointment, such as hydrocortisone ointment, can also play the effect of anti-itch and anti-inflammatory. 2. Oral medication: Skin allergy patients can take Benadryl, chlorpheniramine maleate and other antihistamine drugs, so as to alleviate the symptoms of skin allergies. If necessary, it is also necessary to add oral hydrocortisone, dexamethasone and other glucocorticoids to shorten the course of the disease. 3. Family care: people with skin allergies need to avoid re-exposure to allergens, and at the same time, they should eat a light diet and avoid spicy food. Pay more attention to the cleanliness of the skin to avoid infection. Skin allergies recommend timely consultation, the above medication should be used under the guidance of a doctor, not blindly use drugs to avoid adverse effects.