What to do with hives in children, choose different treatment options. If the rash is very small in extent and there is no obvious itching, you can choose topical medications, for example, you can apply topical glyburide lotion and rub it externally twice a day. If the condition is more serious, the rash is extensive and the itching is more intense, you should choose oral anti-allergy drugs, commonly used are cetirizine syrup and loratadine syrup, which are taken orally once a day for about a week. For recurring urticaria should actively look for the cause, the more common causes are three main categories: 1, food: mainly refers to fish, shrimp, seafood and other high-protein food should be avoided. 2, environmental factors: try to avoid going to the dust, pollen and dust mites in the environment. 3, infection caused by urticaria: this time can be manifested as a fever, sore throat and other symptoms, the need to add anti-infective drugs.