Fever after fracture, according to the different causes of different treatments, common causes are infection, hematoma absorption fever, etc., need to be targeted treatment under the guidance of the doctor, such as appropriate rest, anti-infection, anti-inflammatory fever. 1. Infection: if the fracture is open, the wound is contaminated and infected, thus fever occurs, at this time the temperature is usually higher than 38 ℃, you need to improve the blood routine, C-reactive protein, calcitoninogen and other related tests, choose the appropriate antibiotics, such as cephalosporins, anti-infective treatment. 2. Hematoma absorption heat: because the fracture occurs under the action of strong violence, accompanied by soft tissue damage, local hematoma can appear a lot of hematoma, hematoma absorption and tissue repair will produce heat, causing the body temperature to rise, usually not more than 38 ℃, is a normal phenomenon. You can take proper rest, drink more water, and use non-steroidal anti-inflammatory drugs such as ibuprofen to reduce fever if necessary. Fever after fracture, it is recommended to consult a doctor in time, under the guidance of the doctor’s medication.