Suggest Treatment For Swallowing Difficulty With Normal X Ray

I was choked,I heard something click,one hour later it hurt,hard to swollow,and no solid food or pills,went to emergency room,X ray show nothing wrong,perscribed xanax,advil,was not given something for pain or inflamation,took advil twice,very small relief,note when i took pill hurt it even more,this happen 3:30pm 6/8/11.it feels like something there today,sometimes.Age 61 wiegt 191. 6 month ago was smokeing for 9 years stimulents may cause anxiety,not allergic to any meds,No diabetes,hypertention,or cardio,please Help it hurts to swollow every time i sleep on the chair last night,what can i do to bring the pain control thank you in advance. Michael.