Acid reflux

Hi, i'm 30, male & i used to go to the gym 5 years ago & used to lift heavy & take supplements after that i don't know what happened when ever i used to run or lift weights i started to throw out & burp kind of gas coming out of mouth all the time, ever since i tried everything even omprezol, but it gives me temparory, & even itching in my throat, if I don't drink water right away i feel like throwing up