Abstract
Croup is a very frequent obstructive disease of the upper airway that presents in children aged between 6 months and 3 years, whose main etiologic agent is type 1 parainfluenza virus. It is characterized by presenting the triad: inspiratory stridor, dysphonia and barking cough, preceded by a catarrhal prodrome with or without fever. The diagnosis is clinical, and does not require complementary tests, if serious complications are not suspected. Its initial management usually corresponds to primary care physicians, who must evaluate and stabilize the airway according to need, and start treatment depending on the degree of severity.
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