Coughing with phlegm or without phlegm cannot be used to determine the severity of the disease, both may indicate damage to the organism.
Cough belongs to the respiratory system disease is a common symptom, is the body’s defense reflex, cough phlegm on behalf of the respiratory system has secretions through the cough reflex will be phlegm discharge, common diseases are bronchitis, bronchodilatation, pneumonia, acute pulmonary edema and so on. Cough without sputum is a dry cough. It is often seen in Mycoplasma pneumoniae, cough variant asthma, tuberculosis, pleural effusion, lung cancer and other diseases.
Cough with sputum and no sputum is just a symptom, and can not say which one is better, both represent the organism may be damaged, and in serious cases, need to consult a doctor in time. After clarifying the cause of the disease, standardized treatment.