hi all

i wish to take advice as to how i can take the scare of balloon out of my 4 yr old son's mind.
he was okay playing with balloons till he was 3 yrs when someone burst it on his face.
he is dead scared of balloons now and doesn't attend any birthday parties of his friends also.
i thought the scare will go with the time but it has become more of a phobia now.
can someone help me in this regard ??
do i need to see a child psychologist ?? otherwise he is intelligent and a happy active child.

please advise.