Difference...: Acute bronchitis is due to an infection of the airways and is characterized by cough productive of discolored sputum, fever, sore throat, generalized aches, etc. Chronic bronchitis is a form of COPD and is usually due to smoking. Typical symptoms: progressive shortness of breath, cough productive of sputum and no symptoms of acute infection. Pulmonary function testing shows chronic obstruction.
Answered 6/10/2014
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