End-Stage COPD (Stage IV): Symptoms, Treatments, Prognosis

cop4dChronic obstructive pulmonary disease (COPD) is a progressive lung disease. Learn about the stages of COPD, their symptoms, and how to manage the disease here.Warnings for COPD medications. Whatever medication a doctor prescribes, be sure to take it according to their instructions. If you have serious side effects, such as an allergic