Does COPD have clear symptoms?

In the early stages, often not. Many people think they are merely unfit, or have a bad cough. Coughing and being out of breath could be early symptoms of COPD.

What is chronic bronchitis?

Chronic bronchitis refers to the malfunctioning of the bronchial tubes, causing the patient to have excessive mucus in the lung and the only way to get rid of it is to cough.

COPD: what is it?

COPD is a collective name for a spectrum of diseases, including chronic bronchitis and emphysema.

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