Smoking is the leading risk factor for emphysema, so people experiencing a persistent wet cough may dismiss it as a typical smoker's cough. This may hinder you from seeking care from your provider.

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 ...

Medically reviewed by Sanja Jelic, MD Asthma and chronic obstructive pulmonary disease (COPD) are chronic respiratory (lung) diseases that cause breathing difficulty and coughing. Asthma affects about ...