You can drink glucose water when you have a fever, but the concentration of glucose water should not be too high. Fever is caused by the destruction of the thermoregulatory center, which is unable to keep the body temperature within the normal range. Caused by the destruction of the thermoregulatory center is due to a variety of pathogenic infections, such as bacterial infection and viral infection, in the process of fever in the body’s fluid regulation will be damaged to a certain extent, the body will be a serious lack of water, it is recommended to supplement the sugar and salt water or plain water, which can increase the body’s caloric value, promote the body’s blood metabolism and fluid metabolism. In addition to drinking sugar-saline glucose water when you have a fever, you should also pay attention to your diet, focusing on a light diet, with a light taste, and not eating too much spicy, greasy, stimulating food, such as sweets, meat, eggs and so on. When the body temperature rises, it is necessary to give fever-reducing drugs in time for treatment.