15 COPD Symptoms


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Excess phlegm

Coughing up phlegm (also known as sputum or mucus) is a common symptom of COPD.

Even healthy people produce mucus to keep the airways moist. But in COPD, too much mucus is produced, and it can act like a spider’s web, trapping smoke, bacteria, or other particles that would normally be expelled.

Clear-colored sputum is most common, but sputum that turns deep yellow, green, brown, or red or is blood-tinged probably could mean that the lungs have an infection.

Next: Wheezing

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