Why do newborns sometimes breathe rapidly?

Oct 09, 2022 Source: Cainiu Health
Dr. Xie Zixing
Introduction
Newborns may sometimes experience rapid breathing due to an immature respiratory system or intense crying during feeding. It could also result from bronchial hypoplasia, in which the pulmonary artery presses on the bronchus, causing difficulty breathing and hemoptysis. Additionally, conditions such as neonatal pneumonia—including infectious pneumonia or aspiration pneumonia—can also lead to episodes of rapid breathing in newborns.

Occasionally rapid breathing in newborns may be caused by an immature respiratory system, bronchial hypoplasia, infectious pneumonia, or other reasons.

1. Immature Respiratory System

The organs of newborns are still developing and not fully mature, including the respiratory system, which is often underdeveloped. If a newborn cries intensely during feeding, rapid breathing may occur. This is usually considered a normal physiological phenomenon and typically does not require special treatment.

2. Bronchial Hypoplasia

If a newborn has bronchial hypoplasia, such as abnormalities in the bronchial arteries or malformations of the bronchi, pulmonary artery pressure may be exerted on the bronchi, leading to symptoms like difficulty breathing and hemoptysis (coughing up blood), which can result in episodes of rapid breathing.

3. Neonatal Pneumonia

Inadequate sterilization during delivery, aspiration of foreign material into the small bronchioles, or infection with pathogens can easily lead to infectious pneumonia in newborns. Additionally, aspiration of meconium or amniotic fluid at birth may cause aspiration pneumonia. These conditions commonly present with symptoms such as difficulty breathing and rapid breathing.

Newborns who occasionally experience rapid breathing should seek timely medical evaluation to determine the underlying cause and receive appropriate treatment as directed by a physician.