I get a pain under my heart, left side of my chest, sometimes even to the back. I can feel it worse when I breathe, and up until a few days ago, was enough to make it difficult to stand up straight. It seems to come on more frequently after I eat, though not necessarily. I was on omeprozole but have stayed off until I can have a h-pylori breath test in two weeks. I took an antacid Pepcid a few times, but that does not help. Sometimes, letting out burps helps. I have been for years under a cardiologist s care for hypertension and hyperlipidemia with controlled by medicine, which I have take faithfully