How does 3 months darling have a fever to do

3 months baby suddenly has a fever in the middle of the night. If only the symptoms of temperature rise, below 38.5℃, you can use fever-reducing paste, warm water bath to give the baby physical cooling. If the temperature is above 38.5 ℃, or accompanied by expectoration, crying and other symptoms, you need to take the child to the hospital in time for treatment.