Oxygen Therapy is generally safe, but it can have the following side effects and risks: What is the best medicine for chronic bronchitis? Chronic bronchitis is characterized by a persistent cough that produces mucus (called a productive cough) and that lasts for three months or more per year over the course of two years. While chronic bronchitis and emphysema share many of the same symptoms, their main symptoms differ. Difference Between Obstructive and Restrictive Lung Disease. Also read the Difference Between Chronic Bronchitis and Emphysema Read more: 1. What is the difference between Emphysema and COPD? Emphysema is just the loss of elastic recoil of lungs while COPD is loss of recoil coupled with airway inflammation. What is the difference between emphysema and COPD?

COPD is a term that may be used in reference to various lung diseases, such as emphysema, chronic bronchitis or bronchiectasis. Are Emphysema and COPD the Same Thing? Although emphysema and COPD may be used interchangeably, they do not have the same meaning.

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