COPD

COPD Symptoms and Causes

Shortness of breath and chronic cough are two common signs of COPD. Learn more about symptoms to discuss with your doctor and when to seek emergency care.

CPAP treatment can help to resolve respiratory acidosis in someone with sleep apnea contributing to abnormal breathing and carbon dioxide retention

How Does Respiratory Acidosis Affect Breathing and Lead to Coma?
A long-term cough is one symptom of COPD.

Who COPD Affects—and Why
stethoscope on woman's back listening (auscultation) for abnormal breath sounds

What are the Causes of Normal and Abnormal Breath Sounds?