HI I WAS DIAGNOSED WITH GERD AND ACIDITY 2 YEARS BACK. I HAVE BEEN TAKING NEXIUM EVER SINCE. MY GERD IS IN CONTROL BUT I HAVE BEEN HAVING INDIGESTION AND CONSTIPATION FREQUENTLY. EVERY TIME I GO TO SEE THE DOC EVENTUALLY ALL MY SYMPTOMS RELATES TO GERD. BUT I AM NOT CONVINCED.I ALMOST ALWAYS HAVE A DULL AND BURNING PAIN (MUSCULAR OR NEVER PAIN) ON THE LEFT CHEST AND LEFT ABDOMEN. I ALSO HAVE CHEST TIGHTNESS.I RECENTLY DID A BLOOD TEST AND A CHEST X-RAY. EVERYTHING IS NORMAL. HOW CAN I GET RID OF ALL THESE DISCOMFORT AND PAIN?? COULD THESE SYMPTOMS BE SOMETHING ENTIRELY DIFFERENT?