This is one of the most common signs of decreased lung function. Patients may experience shortness of breath or difficulty breathing during light activities or at rest.
A persistent or recurring cough can be a sign of lung disease, especially when accompanied by phlegm, indicating a possible lung infection or other issues.
Feeling pressure or pain in the chest may indicate lung disease, especially when taking deep breaths or coughing.
Feeling more fatigued while performing the same level of activity compared to before may be due to the lungs not supplying enough oxygen.
If you often catch colds or suffer from bronchitis, pneumonia, and other respiratory infections, and recover slowly, it could be a sign of decreased lung function.
When exhalation time is longer than inhalation time or exhalation appears labored, it may be a signal of impaired lung function.