Chronic bronchitis refers to inflammation and often infection of the bronchia, manifested by persistent, sputum-producing cough.

慢性支气管炎是指炎症和感染的往往支气管，表现出持续，痰生产咳嗽。

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"Although acute cough is benign and self-limiting, chronic persistent cough can have a devastating effect on the quality of life of sufferers," said Dr.

Morice博士说：“虽然急性咳嗽是良性自限性的，但慢性持续性咳嗽对患者的生活质量有灾难性的影响。”

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