Back fever may be caused by physical factors such as strenuous exercise, overheating of the environment, etc. Usually no special treatment is needed. Or consider herpes zoster, contact dermatitis and other diseases, need to take medication for the cause. 1. Physiological factors: strenuous exercise, environmental overheating, too thick clothing, nervousness, may lead to localized fever, the back of the hot situation, generally do not need to take special treatment. Rest and get out of the hot environment in time can be relieved. 2. Herpes zoster: back fever may also be caused by herpes zoster, patients can take oral acyclovir, vasiclovir and other antiviral drugs under the guidance of a doctor, for some of the pain, you can follow the doctor’s instructions to take oral painkillers, such as acetaminophen, ibuprofen and so on. 3. Contact dermatitis: back fever is also considered to be caused by contact dermatitis, the patient can follow the doctor’s instructions for external use of glucocorticoid drugs, such as dexamethasone cream, dinexidine cream, etc., or oral antihistamines, such as chlortetracycline, cetirizine and so on. There are many causes of back fever, patients are advised to find out the cause of the disease in time, and actively cooperate with doctors to take relevant treatment measures.