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Bronchitis is an infection and inflammation of the bronchial tubes of the lungs, which causes a productive (wet) cough.
Bronchitis occurs when bronchial tubes (the tubes that lead from the windpipe to the lungs) become infected. This irritation leads to a mucus buildup. Your child will cough to bring the mucus up.
Bronchitis can be chronic (ongoing) or acute (sudden). Most children have acute bronchitis, caused by a virus or bacteria. It will eventually get better on its own or through treatment.
Chronic bronchitis is primarily a concern for adults. It’s an ongoing, serious condition that is often caused by smoking or exposure to secondhand smoke.
Acute bronchitis may follow a cold or other respiratory infection. It lasts from a few days to 10 days. However, coughing may linger for several weeks after the infection is gone. Pneumonia may follow bronchitis.
Symptoms of bronchitis include:
Bronchitis can be caused by a virus or bacteria. In 90 percent of cases, bronchitis is viral. Bronchitis can also be triggered by: