Human parainfluenza viruses (patient information)
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Parainfluenza |
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Parainfluenza On the Web |
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Charmaine Patel, M.D. [2]
Overview
What are the symptoms of Parainfluenza?
What causes Parainfluenza?
There are four types of parainfluenza virus, all of which can cause upper respiratory infections or lower respiratory infections (pneumonia) in adults and children. The virus can cause croup,bronchiolitis,bronchitis and certain types of pneumonia.
The exact number of cases of parainfluenza is unknown but suspected to be very high. Sometimes the viruses cause only a runny nose and other symptoms that may be diagnosed as a simple cold rather than parainfluenza.
Infections are most common in fall and winter. Parainfluenza infections are most severe in infants and become less severe with age. By school age, most children have been exposed to parainfluenza virus. Most adults have antibodies against parainfluenza although they can get repeat infections.
Who is at highest risk?
Diagnosis
When to seek urgent medical care?
Treatment options
There is no specific treatment for the viral infection. Specific treatments are available for the symptoms of croup and bronchiolitis.
Where to find medical care for Parainfluenza?
Directions to Hospitals Treating Condition