Fever caused by enteritis usually returns to normal in 2-3 days. First of all, control the body temperature, the first choice of physical cooling, more than 38.5 degrees Celsius, you can take oral antipyretics, ibuprofen or acetaminophen. Enteritis can be caused by viral infection or bacterial infection. If there is mucus in the stool, it is best to complete a routine stool examination. If there are white blood cells, it is possible that the infection is bacterial and antibiotics are needed. If the virus infection is caused by antibacterial drugs, pay attention to prevent dehydration, you can take oral probiotics and montelukast to relieve symptoms.