Pediatric fever 38.5 ℃ after rabies vaccination can be treated by physical cooling, while using antipyretic drugs. Pediatric fever after rabies vaccination, if the body temperature is 38.5 ℃ and the mental state is good, you can first use physical methods to lower the temperature treatment, such as paste antipyretic paste or use a warm towel to wipe the body, at the same time, you can drink more warm water, which can improve the fever symptoms. If the child has fever after vaccination, if the temperature is 38.5 ℃ and the mental condition is not very good, then you can take antipyretic drugs under the guidance of the doctor for treatment, such as ibuprofen, acetaminophen and other medicines, but also can be physically dissipate heat treatment. Usually the symptoms of fever caused by vaccination will not last more than 48 hours, if the child’s fever lasts more than 48 hours, he should consult a doctor in time, and should not take medication without authorization, so as not to delay the condition.