When a two-month-old baby has a fever of 38.5 degrees, he or she should be given antelope horn granules and ibuprofen suspension to reduce the fever, because for children, elevated body temperature can easily cause hyperthermia and convulsions, which can cause irreversible damage to the child’s brain cells, so the fever needs to be reduced in a timely manner. In addition, it is best to combine physical cooling methods, such as wiping the child’s whole body with warm water, especially the armpits, groin, neck, which are rich in large blood vessels, the wiping time can be slightly longer to help reduce fever, and can reduce the use of antipyretic drugs. In addition, you need to find out the cause of your child’s fever and treat the cause. Two-month-old babies have relatively weak resistance and the disease tends to develop more quickly. If the child’s temperature does not come down or the condition worsens, he or she must be hospitalized for treatment, otherwise it is easy to complicate serious complications, such as the emergence of respiratory infections, it is likely that bronchitis or pneumonia will occur, and may cause systemic sepsis, which is very dangerous.