#my son 6 months old he is very active but some times his left hand & leg will shake it look like fits, at that time when we hug him tightly that shaking will be calmdown. he will become normal.Is it normal or do we need to contact doctor?

A. it is usually normal for this age,if not associated with any other problem'is repetitively,you should not worry it does not require any kind of treatment or medicine . if you have any more doubts, get clinical examination done once by the doctor available and get further guidance regarding this.