COPD includes two different lung diseases — emphysema and chronic bronchitis. ... This color change is a symptom that you don’t have enough oxygen in your blood. Your blood is red.

Coughing up white mucus may indicate a respiratory condition, such as an infection, asthma, or COPD. Learn more about these conditions. ... and is often white or clear in color when it is healthy.

A COPD (chronic obstructive pulmonary disease) ... Your doctor will help you organize your action plan and color-code the sections in green, yellow, ...

The study included 73 COPD patients admitted to hospital for an exacerbation. Of these, 39 patients had purulent sputum, defined as a change in color from uncolored to yellow-green in the previous ...

Learn which symptoms of a COPD flare-up might require a trip to the hospital, ... coughing up mucus that is different in color, thickness, or amount than usual; ...