Infants are always playing with saliva, may be related to physiological factors, but also may be related to the upper respiratory tract infection or curious and other factors.
1. Physiological factors: infants due to the immature development of salivary glands, so will secrete more saliva, but it is too late to swallow, so will be in the form of drooling to show, when the saliva is more, the baby may not stop licking with the tongue or mouth.
2. Upper respiratory tract infection: infants always play with saliva, may be related to upper respiratory tract infection, in addition to the above symptoms, may also be accompanied by coughing, coughing up phlegm, breathlessness and so on.
3. Psychological factors: infants always play with saliva, may be related to psychological factors, such as curiosity, feel funny.
Infants playing with saliva may also be related to imitation, intellectual development and other factors, it is recommended to go to the hospital in a timely manner to conduct relevant examinations, clear causes of the disease after active symptomatic treatment.