Bronchitis is a condition where the air passages in the lungs, called bronchial tubes, become swollen and irritated. It can be caused by viruses or bacteria, often developing after a cold or respiratory infection. Symptoms of bronchitis may include coughing, wheezing, chest discomfort, and production of mucus. While mild bronchitis typically resolves on its own within a few weeks with rest and plenty of fluid intake, serious bronchitis can be a long-term condition and may require medical treatment to manage symptoms and prevent complications. Treatment may involve over-the-counter medications to relieve cough and fever, inhalers to open up the airways, and antibiotics if the cause is bacterial. Quitting smoking and avoiding exposure to irritants such as air pollution or dust can help prevent bronchitis.

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