Fever caused by gastroenteritis can be treated with antipyretic drugs, such as ibuprofen and aspirin. 1. Fever caused by gastroenteritis can be recovered by medication and physical cooling. Commonly used fever-reducing drugs are non-steroidal anti-inflammatory drugs, such as ibuprofen, aspirin, acetaminophen and so on. Physical cooling methods such as cold compresses can also be used to help dissipate the heat. 2. If it is caused by bacterial infection, antibiotics can be applied for treatment, such as norfloxacin, ciprofloxacin and so on. Pay attention to the diet, drink more water, so as not to cause dehydration. Rest more and do not overwork. But be careful, you must choose the right medicine with the help of your doctor, do not abuse the medicine blindly.