Fever in the back can be seen for many reasons. First, dorsal myofasciitis. If inflammation exists in the lungs, back fever can occur under the stimulation of inflammatory factors. In this case, you should take some antibiotics, such as amoxicillin capsules, to treat the symptoms. Second, fever, in the fever will also appear back fever, at this time should be actively cooling treatment, can take Nimesulide and so on. Third, if there is reflux esophagitis, sometimes there will be fever in the back, you can perform electronic gastroscopy to clarify the diagnosis.