How much fever is normal for newborns?

Generally, a body temperature exceeding 37.5 degrees Celsius is a fever, which is an abnormal manifestation. Fever is generally caused by the baby's low body resistance and infection with pathogenic bacteria. once the baby has a fever, it needs to be cooled down with drugs or physical cooling to reduce the impact of high temperatures on the body, so as not to affect the baby's growth and development.