Why does a two-month-old baby always stick out their tongue?

Jun 26, 2024 Source: Cainiu Health
Disease description:

Our baby is now two months old. Recently, we noticed that he keeps sticking out his tongue. May I ask why a two-month-old baby often sticks out his tongue?

Doctor's answer (1)
Dr. Zhou Xiaofeng
It is possible for a two-month-old baby to frequently stick out their tongue due to various reasons. 1. It may be due to excessive salivation combined with an underdeveloped swallowing function, with the baby using the action of sticking out their tongue to help expel excess saliva. 2. At two months of age, babies are in the oral stage of development and may use actions such as sticking out their tongue to explore the outside world and satisfy oral desires. 3. Dry indoor air may also lead to evaporation of moisture from the mouth, causing the baby to stick their tongue out. 4. It should be noted that certain pathological conditions, such as mouth ulcers or thrush, might also cause a baby to stick their tongue out; in such cases, other symptoms such as decreased appetite and increased irritability may also be present. When a baby frequently sticks their tongue out, parents should closely observe the baby's condition. If there are any concerns or accompanying abnormal symptoms, it is recommended to seek medical attention promptly.