A cough without fever may be pneumonia. A chest X-ray or chest CT examination combined with clinical symptoms is needed to clarify the diagnosis of pneumonia. Symptoms of pneumonia in the elderly may be atypical, and only fever without cough is very common in the elderly. Therefore, a lung examination is sometimes necessary in older adults who do not have a cough. Some people can hear wet rales, but others have inaudible wet rales and no signs of pneumonia in the lungs, but a chest CT can detect lesions, so only fever without cough is not necessarily pneumonia, which is more common in the elderly. In young people, most cases of pneumonia usually show a cough, but not all patients necessarily show a cough, so patients with fever sometimes need to be checked for signs of lung disease even though they do not have a cough. A cough without fever can also be pneumonia, and a chest x-ray or chest CT examination is needed to clarify the diagnosis of pneumonia. Pneumonia refers to inflammation of the lungs with common symptoms of cough, sputum or worsening of existing respiratory symptoms with purulent or bloody sputum, shortness of breath or dyspnea, with or without chest pain. Most patients have fever, but immunocompromised patients or the elderly, may have atypical or asymptomatic symptoms, may have no fever, the first symptom is cough, cough sputum, shortness of breath or dyspnea, etc. The presence or absence of imaging changes of pneumonia can be clarified after performing chest X-ray or chest CT examination. Usually such attention to keep warm, drink more warm water. Need to increase nutrition, supplement vitamin trace elements, appropriate to eat pears, pears have cough moistening lung and other effects, you can also stew ice sugar Sydney water, daily drinking, avoid smoking and alcohol during the cough.