Is it normal for babies to play with saliva and blow bubbles?
Apr 24, 2022
Source: Cainiu Health
Dr. Xie Zixing
Introduction
Is it normal for a baby to drool and blow bubbles? This requires differential diagnosis based on clinical symptoms and other factors. In younger infants undergoing teething, increased salivation is commonly triggered by oral stimulation, often accompanied by bubble-blowing—both of which are considered normal. Additionally, during periods of active salivary gland development, babies naturally produce more saliva.
Drooling and blowing bubbles in infants may be normal, but differentiation and diagnosis must be based on clinical symptoms and other relevant factors.
In younger infants undergoing teething, increased salivation is common due to oral irritation, often accompanied by bubble-blowing—this is considered normal. Additionally, during periods of active salivary gland development, infants naturally produce more saliva. If they are unable to swallow it promptly, excess saliva may overflow from the mouth. Because infants have shallow oral cavities and limited capacity to retain secretions, visible bubble-blowing may occur—also a normal phenomenon.
However, infectious diseases—including bronchopneumonia or bronchitis—must also be considered as potential causes. These conditions can lead to inflammatory secretions that are expelled via the oral cavity, resulting in drooling and bubble-blowing; appropriate treatment targeting the underlying infection is required.
