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Croup (cont.)

Croup Causes

Croup is most commonly caused by a viral respiratory infection that is easily passed among children. Common viral causes include parainfluenza, influenza, adenovirus, respiratory syncytial virus (RSV), and rhinovirus. Prior to the vaccine era, diphtheria caused most cases of croup and was referred to as membranous croup, but today, fortunately, this is exceedingly rare.



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Croup »

Croup, also termed laryngotracheitis or laryngotracheobronchitis, is a viral respiratory tract infection.

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