What Should I Be Concerned About When With Out Warring

What should I be concerned about when with out warring you get pain in the chest area some time when I start to eat. I have seen and talked with a Doctor and with what I told him and he knows he said it's not my heart but not sure what it can be. I took a alka selsa and after a few minutes the pain gets better and after about 4-6 minutes all are better.What should I be talking to my Doctor about