Answers:
There is surgery that can tighten the tighten the lower esophageal sphincter.
It can front to esophogeal cancer, which can require key surgery. An elder friend of mine go through that just now and his esophogas be tattered plenty so that they graft skin to repair it --
Get to a doctor and carry proper medication for it -- the constant burning of the stomach acerbic can eventually erode the throat and, but for controlled, can exact cancer or blotch tissue to form.