Damp bumps can usually be treated with topical application of stove glycolic lotion first to disinfect and relieve itching. After relief, you should regulate your diet and avoid spicy and stimulating, or allergenic foods. Avoid being sedentary, pay attention to personal hygiene, and wear comfortable, breathable clothing. Stay away from hot and humid environment, keep the room temperature and humidity appropriate. Avoid scratching. If relief is not possible, there are different treatments depending on the cause. Common causes include eczema, scabies, hives, etc. I. Eczema: 1. Topical drugs: boric acid solution, potassium permanganate solution, etc. are commonly used for local cleaning. Topical glucocorticoids can inhibit the local inflammatory response, relieve symptoms and promote recovery. Zinc oxide oil, glyburide lotion, etc., can relieve itching and other symptoms; 2. Oral medications: antihistamines, commonly used loratadine, cetirizine, etc., can be used alone or in combination to relieve itching symptoms. Glucocorticoids, such as methylprednisolone tablets, used to relieve symptoms when the condition is serious, can quickly anti-inflammatory, anti-itch; 3, physical therapy: for chronic intractable eczema, can take ultraviolet therapy, has a better efficacy. Second, scabies: 1, general treatment: the need for isolation treatment, the patient used clothing, bedding, towels and other items should be sterilized, avoid scratching the affected area; 2, topical medication: sulfur ointment, pediatric medication concentration is reduced by half. Before using the drug, generally wash the whole body with warm water and soap before starting to apply the drug; 3, oral drugs: generally do not need oral drug treatment, but the use of topical drugs for treatment difficulties, or cause secondary infection can take antihistamines, commonly used loratadine, cetirizine, etc., can be used alone or in combination to relieve itching symptoms. Anti-parasitic drugs have a good repellent effect on the scabies mite in the body, commonly used drugs are ivermectin, thiabendazole, etc.; 4, other treatment: liquid nitrogen freezing or carbon dioxide laser treatment, can be used for scabies nodules that are difficult to subside. Third, urticaria: treatment is preferred to the second generation of non-sedating antihistamines, including cetirizine, loratadine, epalmatine, etc. Acute urticaria with shock or severe urticaria with angioedema requires epinephrine injection. In severe urticaria or urticaria with laryngeal edema, glucocorticoids, such as prednisone or dexamethasone, may be the treatment of choice, and tracheotomy may be performed as appropriate.