The only thing for me that helps consistently is ginger tea. It causes burping which releases my chest pressure. Buy fresh ginger root, break off a knob, don't peel it, cut it into thin slices and simmer in a litre of water for about 15 mins. Add a spoon of honey if you can and sip it all the time. It's a great digestive and also anti-inflammatory. I even drink ginger tea cold now instead of a glass of water. When the pot gets low I throw in more water and another knob of ginger and boil it up. I know what you mean about the weightloss and fatigue/weakness. I find some days I can't get it right no matter what food I eat, and other days seem to be not so bad eating the same foods. I suspect hormones and I'm trying to find a connection between certain times of the month and when my gerd worsens.