The following illnesses are related to COPD and emphysema: 

CHRONIC BRONCHITIS

• Chronic bronchitis involves a long-term cough with mucus. The risk of chronic bronchitis increases with age. In 2011, over 10 million Americas had chronic bronchitis. Seventy percent of those cases involved people over age 45. In addition, women have chronic bronchitis at double the rate of men. Chronic bronchitis is one of the most common conditions that contribute to COPD.

REFRACTORY ASTHMA

• Asthma is considered severe or refractory when a patient is taking high doses of asthma medication, but their symptoms persist and they continue to experience frequent attacks and limited lung function.

BRONCHIECTASIS

• Bronchiectasis involves a thickening of the walls of the airways (bronchi) due to chronic inflammation and/or infection leading to mucus accumulating.