When a child’s fever does not go down after an injection, most of the symptoms are due to an upper respiratory tract infection caused by bacteria or viruses. The course of the disease is cyclical, without the use of glucocorticoid hormones, usually does not immediately appear the symptoms of fever. You can drink more water, pay attention to rest, vitamin C supplementation, to prevent cross-infection, and be alert to dehydration and convulsions caused by high fever. If the temperature exceeds 38.5 ℃, you can take oral ibuprofen suspension or acetaminophen suspension and other antipyretic and analgesic drugs, can play a rapid role in reducing fever.