What you need to know about chronic bronchitis
Bronchitis is the inflammation of the bronchial tubes (airways) in the lungs. This condition causes excessive mucus to be secreted into the tubes and narrowing or closing of the bronchial tubes. People suffering from bronchitis may experience wheezing, chest pain, and shortness of breath. Persistent cough with thick, discolored mucus is the most common symptom.
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