Bronchitis: Information, Research, Causes, Symptoms and Treatment
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Bronchitis is an inflammation of the bronchi and may refer to:
Acute Bronchitis
Usually caused by viruses or bacteria and may last several days or weeks
Chronic Bronchitis
Characterized by hypersecretion of mucus accompanied by a chronic (more than 3 months in 2 consecutive years) productive cough. Tobacco and infectious agents are major causes of chronic bronchitis.