The fastest way to reduce fever is to take antipyretic drugs, but after taking antipyretic drugs, if the cause is not solved, there will be repeated fever, and the fever will only be temporary, so it is necessary to find out the cause of the fever to carry out targeted treatment. If the temperature of fever is above 38.5 degrees, taking ibuprofen suspension or acetaminophen suspension to reduce fever is still more effective. For children over 6 years old or adults, you can also use fever suppositories, which can be inserted into the anus to reduce fever, or in the case of adults, indomethacin suppositories, which are very effective. In addition, if you can combine physical fever reduction, the effect is even better, you can also extend the duration of action of antipyretic drugs, reduce the use of antipyretic drugs, the fever will also be faster. A small, warm towel can be used to rub the patient’s skin all over the body, especially the armpits, groin and neck, for a slightly longer period of time.