Health Topics

Laryngomalacia (Infantile)

Laryngomalacia (LM) is best described as floppy tissue above the vocal cords that falls into the airway when a child breathes in.

  • It is the most frequent cause of noisy breathing (stridor) in infants and children.
  • It is the most common birth defect of the voice box (larynx).
  • The cause and reason why the tissue is floppy are unknown. The part of the nervous system that gives tone to the airway is most likely underdeveloped.
Show All

Diagnosis of Laryngomalacia

Signs and Symptoms of Laryngomalacia

Categories of Laryngomalacia

Flexible Laryngoscopy

X-Rays of Neck and Chest

Tests and Procedures

Surgical Treatment

Call Your Child's Doctor If:


Last Updated: 07/2012