When a baby makes a squeaky, high-pitched noise while breathing — particularly during feeding or when excited — parents understandably worry. This sound, called stridor, is the audible result of airflow passing through a partially narrowed airway. It is a symptom, not a diagnosis, and it can arise from several different locations along the upper and lower airway.

In infants, the most common cause by far is laryngomalacia — a floppy larynx that partially collapses during inhalation. In older children, stridor has a different differential diagnosis and always warrants evaluation. Dr. Samarrai evaluates children with airway concerns using in-office flexible laryngoscopy, which provides direct visualization of the larynx and airway in real time.

Any child with stridor, noisy breathing, or signs of breathing difficulty should be evaluated by a pediatric ENT. While most causes are benign and self-resolving, some require intervention — and distinguishing between them requires direct visualization of the airway.

Understanding stridor vs. normal infant sounds

Not all noisy breathing is stridor. Infants commonly make a variety of sounds — congestion from nasal secretions, grunting, and periodic irregular breathing are all normal. Stridor is specifically a high-pitched, musical sound that occurs with breathing, most often on inhalation, and is best heard when the baby is quiet and breathing normally (not crying).

Common causes of pediatric airway noise

Most Common in Infants

Laryngomalacia

The immature cartilage of the larynx is floppy and collapses inward with each breath. Produces a characteristic high-pitched inspiratory stridor, worse with feeding, crying, and lying on the back. Typically begins in the first few weeks of life, peaks around 4–8 months, and resolves by 12–18 months in most cases.

Requires Evaluation

Other Airway Causes

Subglottic stenosis, vocal cord paralysis, subglottic hemangioma, vascular rings, and tracheomalacia are less common but important diagnoses that present with stridor and require specialist evaluation and individualized management.

Signs of laryngomalacia — what to look for

High-Pitched Inspiratory Stridor

A squeaky or musical noise on breathing in, present since early infancy

Worse with Feeding

Stridor and breathing difficulty increase during and after feeding

Worse When Agitated

Crying and excitement worsen the noise; quiet sleep often improves it

Better in Prone Position

Many babies with laryngomalacia are quieter when positioned on their stomach (tummy time)

When to seek urgent care Most stridor can be evaluated at a routine appointment. These signs need same-day or emergency attention. Call your pediatrician or go to the emergency room immediately if your child has: stridor at rest that is getting worse; visible retractions (the skin pulling in between the ribs or at the base of the throat with each breath); blue color around the lips; poor feeding with significant weight loss; or any episode where your child appears to stop breathing or turns dusky or blue.

Laryngomalacia — mild vs. severe

The majority of infants with laryngomalacia have mild disease — noisy breathing but normal feeding, normal weight gain, and no significant breathing difficulty. These babies do well with observation and parental reassurance, and the condition resolves on its own as the laryngeal cartilage matures.

Severe laryngomalacia — affecting roughly 10–15% of cases — is defined by significant feeding difficulty, poor weight gain, or oxygen desaturation. These infants require surgical intervention. A procedure called supraglottoplasty, performed via the mouth with a telescope, trims the excess supraglottic tissue and dramatically improves the airway. Results are excellent.

What to expect at your child’s evaluation

History and feeding assessment

Dr. Samarrai will ask detailed questions about when the stridor started, what makes it better or worse, how feeding is going, and whether your baby is gaining weight appropriately. This information helps determine severity.

Flexible laryngoscopy

A thin flexible scope is passed through the nose to directly visualize the larynx and the structures above and below it. In infants this is performed awake — it takes about one minute and is well tolerated. It provides a definitive visual diagnosis that no other test can replace.

Diagnosis and severity assessment

Based on the scope findings and feeding history, Dr. Samarrai will classify the severity and discuss whether observation, feeding modifications, reflux management, or surgical referral is the appropriate next step.

Follow-up and monitoring

For mild laryngomalacia, follow-up visits track weight gain and feeding progress. Most parents find significant reassurance in having a confirmed diagnosis and a clear plan.

Frequently asked questions

My newborn makes a squeaky noise when breathing — is this normal?

A high-pitched squeaky sound on inhalation starting in the first few weeks of life is the classic presentation of laryngomalacia, which is the most common cause of stridor in infants. While it usually resolves on its own, it should be evaluated by a pediatric ENT to confirm the diagnosis and rule out other causes, and to assess whether the severity warrants any intervention.

Will my baby need surgery?

The majority of infants with laryngomalacia do not need surgery. Most cases are mild, resolve by 12–18 months, and require only observation. Surgery (supraglottoplasty) is reserved for severe cases involving significant feeding difficulty, poor weight gain, or oxygen desaturation — this represents a minority of cases but is highly effective when needed.

My baby’s stridor seems to be getting worse — when should I be worried?

Mild worsening in the first few months is expected as laryngomalacia peaks around 4–8 months. Seek same-day or urgent evaluation if the stridor is present at rest (not just with feeding or crying), if your baby has visible retractions, if feeding is significantly affected with poor weight gain, or if you ever observe any color change or episode of apparent breathing difficulty.

Could the stridor be something other than laryngomalacia?

Yes — while laryngomalacia accounts for the vast majority of infant stridor, other causes exist and must be excluded. This is precisely why flexible laryngoscopy is the appropriate first step: it directly visualizes the larynx and can identify or rule out other diagnoses such as vocal cord paralysis, subglottic stenosis, or supraglottic masses.

Does laryngomalacia cause feeding problems?

It can. Infants with laryngomalacia sometimes have difficulty coordinating feeding and breathing, leading to choking, gulping, slow feeding, or fatigue during feeds. These feeding difficulties, particularly if associated with poor weight gain, elevate the severity of the laryngomalacia and factor into the decision about whether intervention is needed.

Serving Brooklyn & Staten Island

Seaside ENT sees patients at 6818 3rd Ave, Brooklyn, NY 11220 in Bay Ridge and 1191 Forest Ave, Staten Island, NY 10310. Dr. Samarrai is fellowship-trained in pediatric otolaryngology and speaks both Arabic and English. Most major insurance plans are accepted including Medicaid.

Pediatric ENT | Brooklyn & Staten Island

Worried about your baby’s breathing?

Call Seaside ENT to schedule a pediatric airway evaluation with Dr. Samarrai. Fellowship-trained in pediatric ENT.

Call (917) 992-3873

Brooklyn & Staten Island