Antipyretics are medications that can be taken orally or intravenously to bring a person’s body temperature back to normal when it is significantly elevated. Fever-reducing medications are usually referred to as antipyretic and analgesic anti-inflammatory drugs, the vast majority of which are taken orally, and some of which can also be administered rectally for absorption purposes. The most commonly used of the antipyretics is ibuprofen, which is why you see ibuprofen tablets, ibuprofen granules, or ibuprofen suspensions in the clinic, all of which are antipyretics that reduce the fever by oral administration. It can be used when the body exceeds 38.5 degrees or does not exceed 38.5 degrees, but is accompanied by obvious symptoms such as generalized muscle pain and headache. After taking it, after half an hour, most people are able to reduce the fever, some people this time may be a little later, but usually not more than two hours.