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 ...
Alternative Names Pneumonia - viral; "Walking pneumonia" - viral Symptoms Symptoms of viral pneumonia often begin slowly and may not be severe at first. The most common symptoms of pneumonia are: Cough (with some pneumonias you may cough up mucus, or even bloody mucus) Fever , which may be mild or high Shaking chills Shortness of breath (may only occur when you climb stairs) Other symptoms include: Confusion, especially in older people Excessive sweating and clammy skin Headache Loss of appetite, low energy, and fatigue Sharp or stabbing chest pain that gets worse when you breathe deeply or cough Fatigue Signs and tests Persons with suspected pneumonia should have a complete medical evaluation, including a thorough physical exam and a chest x-ray -- especially since the physical exam may not always distinguish pneumonia from acute bronchitis or other respiratory infections. Depending on the severity of illness, other tests may be done, including: Complete blood count (CBC) CT scan of the chest Blood cultu...
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