<unk>  becomes symptomatic after the first few months of life (2–3 months), and the stridor may get louder over the first year, as the child moves air more vigorously. Most of the cases resolve spontaneously and fewer than 15% of the cases will need surgical intervention. Parents need to be supported and educated about the condition.
Laryngomalacia
Tracheobronchomalacia
Laryngotracheal stenosis
Tracheomalacia
Subglottic stenosis
Nasal septum deviation
Glossoptosis
Epiglottitis