August 5, 2015

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Bronchitis (Acute)

What is, and what are the causes of acute bronchitis?

Acute bronchitis is inflammation of the bronchial tubes, and a cough lasting 5 or more days suggests acute bronchitis as a cause. People with recurrent acute bronchitis may develop chronic bronchitis. Chronic bronchitis is defined as a cough that occurs every day with sputum production that lasts for at least 3 months, 2 years in a row.

The most common causes of acute bronchitis are viruses. Influenza, parainfluenza, RSV, rhinovirus and adenovirus, and corona viruses are the main viral genera, but many people develop fairly mild symptoms so often the viral genus is never determined. Bacteria are less common the causative agents of acute bronchitis. Bacterial causes of the disease include:

Other irritants (for example, tobacco smoke, chemicals, etc.) may irritate the bronchi and cause acute bronchitis. Continue Reading

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Reviewed on 1/21/2015