To all that have a problem with GERD. I have had it for sometime now and let me say it is VERY PAINFUL! At first I thought it was a heart attack. I even called an ambulance, and to my surprise (not to mention embarrassment), it was GERD. It started with a tightness in the middle of my chest and went through to my back. Then up into my throat with severe tightness and it has also in the past gone into my jaw at times, or into my breast. The pain was so severe I had a hard time taking a deep breath. I grabbed a pop and chugged it!! Next thing you know BUUUURRRRRPPPPP! AAAAWWWW what a relief! GONE! I kept burping for the next half hour after that. Pop is great to get rid of it.