Adults with a fever of 38.5°C are advised to take antipyretic medication, as this temperature can be accompanied by a significant headache or generalized muscle aches and pains. If there is no obvious discomfort, you can also observe the temperature change for the time being. If the temperature returns to normal on its own, you can continue to observe. However, if this is accompanied by a fear of cold, it means that the body temperature will continue to rise, and oral antipyretic medication is needed to reduce the body temperature to normal. Because the main purpose of taking antipyretics is to lower the body temperature to normal, but also has the effect of relieving symptoms. Therefore, adults with fever can take antipyretics as long as their body temperature is relatively high or accompanied by obvious headaches and generalized muscle aches and pains. The division of body temperature is based on 38.5 ℃, different people reach different temperatures when the clinical symptoms will be different, if the body temperature does not reach this temperature, is accompanied by particularly obvious headache and general muscle pain, you can also take antipyretic drugs.