I am also taking 40MG of Nexium twice a day and additional Mylanta when needed. Although it has helped a lot, I still have the mucus on ny throat, tightness of the throat, bloating and burping. It's really frustrating, but it's good to know that you are not alone. Aside from this, I have anxiety. I am happy that I found this forum. Just by reading that others have the same issue, made me feel better. Let me know how your endoscopy goes. I think I may have to have one done soon.