What causes a baby's throat to make a gurgling sound?
Aug 04, 2025
Source: Cainiu Health
Dr. Zhou Xiaofeng
Introduction
In general, a baby's gurgling sound in the throat may be caused by factors such as incomplete development of the laryngeal cartilage, residual saliva or milk, acute upper respiratory tract infection, acute bronchitis, or pneumonia. It is recommended to seek timely medical attention at a hospital to determine the exact cause and receive appropriate treatment. Additionally, maintain healthy lifestyle habits and avoid consuming spicy or irritating foods.
Generally, a baby's throat making snoring or gurgling sounds may be caused by factors such as incomplete development of the laryngeal cartilage, residual saliva or milk, acute upper respiratory tract infection, acute bronchitis, or pneumonia. It is recommended to seek timely medical consultation to identify the exact cause and provide targeted treatment. Detailed explanations are as follows:
1. Incomplete Laryngeal Cartilage Development
A baby's laryngeal cartilage is not yet fully developed and remains relatively soft. During inhalation, the laryngeal tissues may collapse, and the airflow passing through causes vibrations that produce snoring sounds. This condition is common in infants under six months of age. Usually, no specific treatment is required. It is recommended that the baby receive more daily sunlight exposure to promote cartilage development. Symptoms typically resolve spontaneously after the laryngeal cartilage hardens, usually by ages 1 to 2 years.
2. Residual Saliva or Milk
A baby's swallowing function is not yet fully developed, and excess saliva or small amounts of milk may remain in the throat after feeding. During breathing, vibrations of this liquid can produce snoring sounds. It is recommended to position the baby on their side while sleeping to help drain residual liquid and avoid fluid accumulation that may occur when lying flat.
3. Acute Upper Respiratory Tract Infection
A viral infection can cause nasal mucosal congestion, increased secretions, and postnasal drip into the throat, resulting in snoring sounds. This is often accompanied by symptoms such as nasal congestion and runny nose. As part of routine care, nasal saline irrigation under medical guidance may help alleviate symptoms.
4. Acute Bronchitis
The bronchial mucosa becomes infected by viruses or bacteria, leading to increased secretions. Since infants have weak coughing ability, mucus can accumulate in the airways, causing snoring sounds during breathing, often accompanied by mild coughing. For viral infections, symptomatic treatment is primarily recommended. Nebulization with normal saline can help thin mucus, and gently clapping the baby's back with a cupped hand can assist in mucus clearance. For bacterial infections, oral antibiotics such as amoxicillin-clavulanate potassium granules may be prescribed by a physician.
5. Pneumonia
An infection of the lungs caused by bacteria or viruses leads to increased exudate in the alveoli and small bronchioles, resulting in excessive mucus production. This can cause snoring sounds along with symptoms such as fever, severe cough, and increased respiratory rate. Under a doctor's guidance, medications such as ceftriaxone sodium for injection and acetaminophen granules may be used to alleviate symptoms.
In daily life, it is important to maintain healthy habits and avoid consuming spicy or irritating foods such as pepper, chili peppers, and garlic, as these may hinder recovery.
