Bronchitis is an inflammation of the bronchial tubes, the airways that carry air to the lungs. It is of two types of acute and chronic bronchitis. Bronchitis can be caused by bacteria or viruses or allergies.
Allergic bronchitis is a chronic type of bronchitis and can be caused by exposure to triggers of allergies such as pollution, or dust, tobacco smoke. It can last for several weeks or months. Chronic bronchitis is a part of emphysema as well as chronic obstructive pulmonary disease (COPD).
