What is the primary concern with COPD?

The primary concern with Chronic Obstructive Pulmonary Disease (COPD) is blocked airflow, which significantly hampers the ability to breathe. This condition is characterized by persistent respiratory symptoms and airflow limitation due to the airway abnormalities caused by exposure to harmful particles or gases, most commonly from smoking. The blockage in the airways can lead to difficulties in both inhaling and exhaling, resulting in decreased oxygen intake and poor gas exchange in the lungs.

While excessive coughing can occur and is a symptom of COPD, it is not the central issue; rather, it is a result of the disease that can further complicate the patient's condition. Increased lung capacity would imply an improvement in lung function, which is contrary to the effects of COPD, where lung capacity is typically diminished due to the obstructive nature of the disease. Finally, while reduced exercise tolerance is a significant concern for individuals with COPD, it stems from the underlying problem of airflow limitation, which is the most critical issue. Therefore, the primary concern remains the blocked airflow that directly impacts breathing and overall respiratory health.