High fever of 39.8 ℃ to take medication on the recurrence of episodes may be due to the causes of high fever (such as bacterial and viral infections, etc.) has not been removed due. Fever is a pathological increase in body temperature, due to the body’s response to the heat source, prompting the body temperature regulation center regulating point shifted upward, resulting in the body fever. There are many causes of fever, mainly due to a variety of infectious and non-infectious diseases. When the body has a fever, taking antipyretic drugs can only temporarily lower the body temperature and relieve the body’s discomfort. If the cause of fever is not removed, such as bacterial infections, viral infections or non-infectious diseases, it is difficult to control the fever, and the fever may recur even after taking medication. The correct way to deal with fever is to use physical cooling when the temperature is below 38.5℃, when the temperature is above 38.5℃, you can take medication such as ibuprofen under doctor’s guidance and go to the hospital in time to clarify the cause of the disease, and follow the doctor’s instructions to carry on the treatment, such as oral antibiotics such as cefixime.