I Am Suffering in vitiligo from 10 year, but when vitiligo starts then i had taken medicine by a skin speacelist such as Meladinine tablet, Riboson, And ointment Tacrolimus, my affected Area only Hand finger, And foot , But it was Control able did not spread, recently last 1 year new white spot in created on my hand, now what can i do for keep stable condition of white spot.