Hi! you must be suffering with GERD in which you have to first stop taking too much of water replace it with butter milk added 1 tea spoon of Hinguastaka choorna when ever you feel thirsty. Keep your diet bland no spices or heavy diet. Take Syp. Coolmelon 10 ml thrice daily. Take small meal frequently to avoid over stuffing your stomach. Consult an ayurvedic physician for further management.