Usually the child did not have a fever took fever-reducing drugs, the harm to children is also controllable. Because most of the antipyretic drugs are composed of acetaminophen or ibuprofen, which are non-steroidal anti-inflammatory drugs, if the dose of antipyretic drugs taken in the normal range of medication, most of them will not cause liver and kidney function damage, so taking antipyretic drugs when you don’t have a fever, the harm is also relatively small. Because some children in the headache and other parts of the pain, can also apply antipyretic drugs to antipyretic analgesic, so as to play the effect of pain. In summary, it can be seen that there is no fever when taking antipyretic drugs, as long as the dose range does not significantly exceed the maximum limit of the general harm is not great.