my 22 month baby boy sometimes not responding to his name, when we are out side that time he responding, and when he playing that time he not responding what is the reason please tell me

A. hello it is just that baby could be playful andbtry to encourage your child and any concern then it is better to check with yiur doctor and he will be able to guide u accordingly which should be better abd also safe too as the baby is also small and safe too