The baby ate ibuprofen fever 4 hours and then burn can be again discretionary use of ibuprofen, at the same time need to actively identify the causes of fever and treatment, such as the diagnosis of Kawasaki disease need to use gammaglobulin treatment. Fever is a common symptom in children, elevated body temperature can make the baby produce muscle aches and pains and other discomforts, some babies may even have convulsions, for the baby recurrent fever is very important for reasonable antipyretic, it is usually believed that under the guidance of a physician can be repeated at intervals of 4-6 hours to use ibuprofen for antipyretic. The above interventions belong to symptomatic treatment, clear causes of fever and treatment is very important, such as in Kawasaki disease, there can be repeated fever, often accompanied by skin rashes, chapped lips and other abnormal symptoms, the disease requires specialized physicians to use gammaglobulin and aspirin, etc., treatment, with the control of the disease, the body temperature can be gradually normal. The above situation can also be seen in children with influenza, in addition to recurrent fever, can be accompanied by fatigue, depression and other systemic symptoms, the treatment still need to use oseltamivir phosphate for treatment. The baby fever took ibuprofen to reduce 4 hours and then fever, belong to the recurrent fever, can be seen in a variety of diseases, need to actively consult the doctor, by the specialist assessment for reasonable cause and symptomatic treatment.