Clinically, dry cough is the most common symptom of novel coronavirus pneumonia. New coronavirus pneumonia starts with fever as the main symptom, and may be combined with a mild dry cough, which may be severe when the condition worsens, and may even interfere with sleep. In addition, symptoms such as fatigue, dyspnea, diarrhea, and other symptoms such as runny nose and coughing up sputum are relatively rare. Some patients develop recurrent dry cough and cough 1 week after infection, and slowly develop respiratory distress. Severe cases may progress to acute respiratory distress syndrome, sepsis, shock, and difficult-to-correct metabolic acidosis, all of which are related to the previous cough and dyspnea, and even coagulopathy may occur. Some patients have mild symptoms, no fever, only dry cough, and usually recover after 1 week after treatment, most patients have a good prognosis, and a few patients have a critical condition or even death. However, dry cough can occur in many cases, so there is no need to be too nervous, such as irritating odors, cold air, allergies or other respiratory diseases can occur dry cough, dry cough alone can not be judged as novel coronavirus pneumonia. Source: Dr. Yurai