Not Now. Established in 1989, the Clearwater Volunteer Fire Department serves the Clearwater (Tennessee) community and surrounding area with support. 1,185 people like this and 1,166 people follow this.
Pathologic changes in chronic obstructive pulmonary disease (COPD) occur in the large (central) airways, the small (peripheral) bronchioles, and the lung parenchyma. Most cases of COPD are the result of exposure to noxious stimuli, most often cigarette smoke.
In reactive airway disease, three primary changes are taking place in your lungs: Increased Mucus: Your airways become irritated and inflamed, causing the cells in your airways to produce mucus. The thick mucus produced can clog the airways of your lung, making it difficult to breathe.