What is COPD?

COPD stands for chronic obstructive pulmonary disease, a progressive lung disease caused by inflammation and structural changes in the lung tissue that make it more and more difficult to breathe over time. COPD is a broad term that includes both emphysema and chronic bronchitis.

What is asthma?

Asthma is a chronic lung disease that causes the airways to become narrower, making breathing more difficult. It also causes an increase in mucus production, which can cause additional breathing problems.

What is an inhaler?

An inhaler is a small, pocket-sized device that dispenses medicines to the lungs to open airways, reduce inflammation and enable easier breathing. Inhalers may use a liquid medicine or a powder.