Diagnosing such a little one is not ideal. It is important to remember that at this young age they do not have the verbal skills to explain what they may be feeling.
I would suggest speaking with your paediatrician first to rule out any allergies or lack/over presence of certain minerals.
Thereafter, if need be a psychologist can be consulted, preferably who makes us of behaviour modification techniques to assist you to better cope with your son's behaviours.
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