The main ingredient of Tylenol is acetaminophen suspension drops, which is a non-steroidal anti-inflammatory drug and can be taken by adults or children in general. As long as the temperature of fever exceeds 38.5 degrees, you can take Tylenol for fever reduction treatment. If there is repeated high fever, after an interval of 4-6 hours, you can also repeatedly use the drug once, as long as the drug can not exceed 4 times a day, the specific dose needs to be calculated according to the weight and age in accordance with the instructions. However, for some children, if they have a history of febrile convulsions or epilepsy, they can take Tylenol to reduce fever even if their body temperature does not reach 38.5 degrees, to avoid febrile convulsions. At this time, as long as the fever appears, you can take Tylenol orally, and the temperature can generally come down quickly to avoid the symptoms of febrile convulsions. When a fever occurs, in addition to using antipyretic drugs, you also need to drink more water and get more rest.