Yes, a chronic cough—one lasting eight weeks or more—can be a symptom of unhealthy lungs, indicating conditions like COPD, lung cancer, or lung infections, though it can also stem from non-lung issues like asthma or acid reflux.
This is the primary symptom and can feel like breathlessness, suffocation, or a struggle to breathe.
Wheezing in unhealthy lungs is a high-pitched whistling sound during breathing caused by narrowed airways.
Blood in a cough, known as hemoptysis, is a symptom of an underlying issue in the lungs or airways