If you have a fever, you must drink more water to replenish the water lost due to sweating and fever, and it also has a certain antipyretic effect. When sweating, you must be careful not to blow or catch a cold, not to blow the fan, not to blow the air conditioner, and if the clothes become wet, you must change them in time. In addition, it is necessary to measure the body temperature in time to ensure that the temperature is below 38.5 degrees. If the body temperature is particularly high, over 38.5 degrees or 39 degrees, it is necessary to use antipyretic drugs to assist in reducing fever. In children, oral ibuprofen suspension or acetaminophen suspension is recommended for fever reduction. Children over six years old can use fever suppositories, which can be inserted into the anus to reduce fever. For adults, you can use one indomethacin suppository and insert it into the anus to reduce fever, which is more effective. This time must drink more water, more light salt water can also be.