Kids with croup have a virulent disease that creates their airways swell. Croup refers to an infection of the upper airway, which obstructs breathing and causes a characteristic barking Cough and a raspy voice, and make a high-pitched, squeaky noise when they breathe.
Loud barking cough that's further aggravated by crying and coughing, as well as anxiety and agitation, setting up a cycle of worsening signs and symptoms
Breathing that may be noisy or labored,
low oxygen levels,
problems with breathing,