HI, MY SON STARTED TO HAVE HIVES ON HIS BODY(CHEST,BACK AND ARMS) I TOOK HIM TO URGENT CARE AND HE GIVEN A SHOT OF DECADRON 10 MG THEN WAS GIVEN MEDROL DOSE PACK AND THIS IS HIS 3RD DAY OF TAKING IT. HE IS ALSO TAKING ZERTEC FOR ITCY WHICH HELP CONTROL ITCHING.LAST NIGHT NOTED TOM HAVE SMALL HIVES ON HIS FACE AND THIS MORNING INCREASED.SEEMS LIKE SYMPTOMS NOT GETTING ANY BETTER.WHAT ELSE NEEDS TO BE DONE?