Chronic obstructive pulmonary disease. Chronic obstructive pulmonary disease (COPD), also known as chronic obstructive lung disease (COLD), and chronic obstructive airway disease (COAD), among others, is a type of obstructive lung disease characterized by chronically poor airflow.
It typically worsens over time. The main symptoms include shortness of breath, cough, and sputum production.[1] Most people with chronic bronchitis have COPD.[2] Tobacco smoking is the most common cause of COPD, with a number of other factors such as air pollution and genetics playing a smaller role.[3] In the developing world, one of the common sources of air pollution is from poorly vented cooking and heating fires.
COPD can be prevented by reducing exposure to the known causes. What Is COPD. COPD, or chronic obstructive pulmonary (PULL-mun-ary) disease, is a progressive disease that makes it hard to breathe.
"Progressive" means the disease gets worse over time. COPD can cause coughing that produces large amounts of mucus (a slimy substance), wheezing, shortness of breath, chest tightness, and other symptoms.
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