4-year-old child has a fever repeatedly 39-40 degrees how to do

4-year-old child repeated fever 39-40 degrees Celsius, can be caused by a variety of factors infection, such as bacteria, mycoplasma, fungi, etc. If it is caused by mycoplasma infection, you can follow the doctor's advice to use azithromycin for treatment, with antipyretic drugs, fungal infection patients, you can take antifungal drugs.