Baby fever does not go away mainly for the following reasons: first, the disease is not controlled, is also the most common situation, especially viral infections, in addition to the flu available oseltamivir effective treatment control, many other viruses are not really effective drug therapy, but rely on their own resistance, baby small and poor resistance, so there will be fever does not go away; second, the disease itself fever The time is long, such as early childhood emergency rash, mostly seen in children aged 8 months – 2 years, usually about 39 degrees of high fever, lasting 3-4 days after the fever rash, the disease then subsided, during the fever oral antipyretics can reduce the fever, but 4-6 hours later will be feverish again, showing the characteristics of fever always does not go away. If the baby’s fever does not subside and is accompanied by symptoms such as coughing, it is necessary to consult a doctor in time to identify the cause and treat it for countermeasures. During the fever, let the child drink more warm water and pay attention to a light and nutritious diet; thirdly, there are some chronic infections and rare diseases such as tuberculosis, blood diseases and connective tissue diseases.