Laryngomalacia is the most common cause of noisy breathing (stridor) in infants. It happens when the soft, immature tissues of the voice box (larynx) flop inward during breathing, causing partial airway obstruction. • Onset: Usually noticed within the first few weeks of life. • Symptoms: Inspiratory stridor (high-pitched noise, worse when baby is feeding, crying, or lying on the back), sometimes associated with feeding difficulties, reflux, or poor weight gain in severe cases. • Course: In most