i m 24 year male,i have vomiting after taken dinner & lunch.i consult with gastroenterology Doctor , suggested for endoscopic . i done endoscopic,report come normal.Doctor said that acidity make in chest area due to come vomiting.i have taken medicine razo D, domestal, pantacid and famocid. i m not satisfy this treatment. tell me what s real cause & treatment. how to prevent.