Chronic obstructive pulmonary disease (COPD) refers to a health condition where your airflow gets blocked due to a group of lung problems. Patients suffering from this issue find it difficult to breathe without any assistance. The common COPD symptoms include chronic cough, shortness of breath, frequent respiratory infections, fatigue, wheezing, production of mucus, and weight loss. For those who want to learn more about COPD, we have detailed some facts about this health problem in our following sections.For more:https://www.resmed.co.in/healthcare-professionals/diagnosis-and-treatment/respiratory-care/copd/what-is-copd