Normally if the temperature is measured in the mouth, the normal range of body temperature is between 36.3 and 37.2°C, which is slightly higher than the temperature measured in the armpit, but slightly lower compared to the anal temperature. If the temperature is above 37.2°C, a fever is present. If the temperature is below 36.3°C, the body temperature is low, and fever is more common in most cases. If you have a low fever, such as a body temperature below 38.0℃, you should drink more water and take your body temperature. If the fever is high, more than 38.5 ℃, you need to use antipyretic drugs for treatment, especially for children, it is easy to occur high fever convulsions, is more dangerous, it is recommended to take oral ibuprofen suspension or acetaminophen pellets for antipyretic treatment, if the adult, you can also use indomethacin suppositories, inserted into the anus to reduce fever.