The baby ate antipyretic drugs body temperature plummeted 35 degrees less than, should closely observe the child’s mental state, do a good job of heat preservation measures, as well as drink hot water, and so on. Body temperature less than 35 ℃ belongs to the low body temperature, the common cause is the use of antipyretic drugs dose is too large or the use of glucocorticosteroids and so on. In the case of hypothermia, it is necessary to immediately take thermal insulation measures, put on more clothes, cover the bedding, drink hot water in small quantities, while observing the child’s mental state. If there is cyanosis at the end of the hands and feet, weak respiration, drowsiness, etc., you need to consult a doctor in time. Normally, in order to avoid hypothermia, antipyretics should be used rationally, try not to combine medicines, and try not to repeat medicines for a short period of time. Avoid a variety of compound cold medicine and antipyretic drugs combined, easy to make the dose of antipyretic drugs over the limit. Baby fever after the use of antipyretic drugs, it is recommended to consult a professional doctor, follow the doctor’s instructions to use medication, not a variety of drugs combined, so as not to affect the health of the body.