Congenital laryngeal stridor (CLS) and laryngomalacia are terms used to describe a common disorder characterized by onset, at or soon after birth, of a harsh respiratory sound mostly audible ...

Stridor is typically caused by narrowing of the upper airway. The main differential diagnoses include laryngospasm, presence of a foreign body, angioedema, croup, epiglottitis, tracheal stenosis ...