Smoking is the leading risk factor for emphysema, so people experiencing a persistent wet cough may dismiss it as a typical ...

COPD is divided into two groups: chronic bronchitis and emphysema, which cause chronic cough, sputum production, shortness of breath and wheezing. With COPD, lung function shows airflow ...

The problem with COPD is you have obstruction to air flow, so most patients have a chronic cough, have some shortness of breath, have some wheezing. And periodically they will have what we call an ...