|Figure A shows the location of the lungs and bronchial tubes. Figure B is an enlarged view of a normal bronchial tube. Figure C is an enlarged view of a bronchial tube with bronchitis.|
|Frequency||Acute: ~5% of people a year|
Chronic: ~5% of people
Bronchitis is inflammation of the
Acute bronchitis is one of the most common diseases. About 5% of adults are affected and about 6% of children have at least one episode a year. Acute bronchitis is the most common type of bronchitis. In the United States, in 2016, 8.6 million people were diagnosed with chronic bronchitis.
Acute bronchitis, also known as a chest cold, is short term
In more than 90% of cases, the cause is a
Diagnosis is typically based on a person's signs and symptoms. The color of the sputum does not indicate if the infection is viral or bacterial. Determining the underlying organism is usually not required. Other causes of similar symptoms include
Another common sign of bronchitis is a cough which lasts ten days to three weeks. If the cough lasts a month or a year, it may become chronic bronchitis. In addition, a fever may be present. Acute bronchitis is normally caused by a viral infection. Typically, these infections are
Prevention is by not smoking and avoiding other lung irritants. Frequent hand washing may also be protective. Treatment for acute bronchitis usually involves rest,
Acute bronchitis is one of the most-common diseases. About 5% of adults are affected, and about 6% of children have at least one episode a year. It occurs more often in the winter. More than 10 million people in the US visit a doctor each year for this condition, with about 70% receiving antibiotics which are mostly not needed. There are efforts to decrease the use of antibiotics in acute bronchitis. Acute bronchitis is the most common type of bronchitis.