Eleven years ago I suddenly had pains in my upper back and a very tight feeling in the middle of my chest.. The pain got worse in minutes I was then very sick but only bought up a burning ,sour tasting yellow substance.. As soon as I had been sick the pain went..15 minutes later all the pain and tightness was back I was then sick again.. I carried on like this for over 6 hours... I was put on lanzoprazole 30mg...I've recently been having a lot of trouble with this again... So the doctor has put me on 60mg of lanzoprazole... When I eat I get stomach pains and get incredibly bloated.. And I feel sick a lot .. Is this oesophageal reflux?