COPD symptoms often don't appear until significant lung damage has occurred, and they usually worsen over time, particularly if smoking exposure continues. COPD Signs and symptoms of COPD may include: COPD 
Shortness of breath, especially during physical activities
Wheezing
Chest tightness
A chronic cough that may produce mucus (sputum) that may be clear, white, yellow or greenish
Frequent respiratory infections
Lack of energy
Unintended weight loss (in later stages)
Swelling in ankles, feet or legs
 People with COPD are also likely to experience episodes called exacerbations, during which their symptoms become worse than the usual day-to-day variation and persist for at least several days.