NCIt related terms : Laryngotracheobronchitis; Laryngotracheitis;
NCIt definition : Acute upper respiratory airways infection that results in the swelling of the larynx.
It is usually caused by parainfluenza viruses. Signs include a characteristic barking
cough and stridor.;
Alternative definition : NICHD: Swelling and narrowing of the trachea, vocal cords, and bronchi usually due
to a viral infection and which typically manifests with stridor and barking cough.;