Not all PPI work the same way. They are all a bit chemically different. One may work wonders for you and not for another person.It happened to me twice, and I had to switch to another PPI. Ask your doctor to give you samples of other PPI's and see which one works for you best. Dont just go out and buy whatever he prescribe,cause it might not work for you. Make sure you have him give you sample packs of PPI's to take home and try, because as you and I know these medication cost an harm and two legs
Goodluck