Chronic Obstructive Pulmonary Disease (or COPD) often results from smoking, or a common cold, or flu-like illness. COPD occurs when the airways in your lungs become inflamed due to excess mucus build-up. As a result the airways become blocked and oxygen intake is depleted.
An awareness of the early warning signs of COPD can be the first step to prevent the condition from worsening. If left untreated, COPD can turn into a viral or bacterial lung infection, or result in the complete loss of lung function.
If you have one or several of the following COPD symptoms, seek medical attention immediately:
1. Shortness of breath—particularly following physical activity