Five-month-old baby fever needs to be based on the baby’s fever temperature, to take the appropriate treatment, generally 38.5 ℃ can use physical cooling, if more than 38.5 ℃ can use antipyretic treatment. At the same time, timely consultation and treatment of the original disease. Five-month-old baby fever if not more than 38.5 ℃, can not use the drug treatment, usually can be through physical cooling, such as to the baby paste fever patch, give the baby more water, but also can use warm water to wipe the baby’s body, to help reduce fever. If the temperature exceeds 38.5℃, acetaminophen can be used to reduce fever under doctor’s supervision, and you need to pay attention to the side effects of the drug, such as gastrointestinal discomfort, vomiting and other reactions. It is recommended to take the baby to the hospital to check the cause of fever, and then according to the cause of targeted treatment. If it is a viral infection, because the virus is self-limiting, the course of the disease usually does not exceed one week, usually do not need special treatment, only symptomatic treatment can be. If the fever is caused by a bacterial infection, antibacterial treatment is needed, and antibiotics such as amoxicillin and cefdinir can be used under the guidance of a doctor.