What should I do if my 9-month-old baby keeps sticking his tongue out?

Nine-month-old babies always stick out their tongues, may be related to physiological imitation factors, can not be too much intervention, but also may be related to oral ulcers or mental retardation and other factors, the treatment is mainly based on medication and rehabilitation therapy.
1. Physiological factors: if the baby simply make tongue out of the situation, and is more frequent recently, may be due to imitation of other children or movies and television inside the action, usually after a period of time will slowly disappear, parents do not need to intervene too much.
2. Mouth ulcers: some babies appear to spit out their tongues, and also accompanied by more saliva, may be due to mouth ulcers, it is recommended that you can use the open-throat sword spray for treatment, and pay attention to a light diet, drink more water.
3. mental retardation: if the baby in addition to the tongue, and also accompanied by a low bridge of the nose, wide eye spacing, and not able to independently sit and stand, may be caused by mental retardation, need to go to the hospital for further diagnosis and treatment, rehabilitation treatment.
The baby always sticking out his tongue, we suggest that timely to the hospital for relevant examination, clear the cause of the disease, and then actively treat the symptoms. The above medications are recommended to be taken under the guidance of a doctor, and should not be used on their own.