Acute bronchitis isinflammation of the main airways to the lungs called the bronchi. It is usually caused by an infection. Symptomsof acute bronchitis may last several weeks.
See also chronic bronchitis .
Bronchitis - acute
Causes, incidence, and risk factors
Acute bronchitis is one of the most common medical conditions seen in a doctor's office. Itisprimarily caused by avirus that infects the respiratory system.There are anumber of different respiratory viruses that can do this, including the rhinovirus, which causes the common cold.
The classic symptoms of bronchitis may mimic a cold. A tickle in the back of the throat progresses into a dry, irritating cough. But as the infection gets worse, a person may cough up thick, yellow mucus thatmay (rarely)be streaked with blood.
Sometimes the symptoms of bronchitisdo not appear until the underlying viral infection has gone away, and a secondary bacteria infection causes ...
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