COPD Symptoms: Top Warning Signs, Chronic Bronchitis, Emphysema and Asthma Symptoms in COPD

6. Cyanosis

This also happens in severe cases, especially in older adults with many years of COPD. Cyanosis is a change in the color of the skin and mucosa. The skin turns purple or adopts a blueish hue due to reduced oxygen in the blood. Cyanosis in COPD is more common in the distal portion of the hands and the patient’s feet.