COPD is an umbrella term for several progressive respiratory issues, including chronic bronchitis. Emphysema, the breakdown of the alveoli in the lungs, also falls under this term. A person with COPD may have one or both of these conditions. A persistent cough that can produce mucus is a common symptom. Wheezing, chest tightness, and shortness of breath are also standard symptoms of COPD.

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