hi yes p;ease.. I have a hiatal hernia and was taking a PPI pentoprazole I had been taking it for 3 yrs. After viewing the warnings on TV about PPI's causing kidney damage and inhibiting the body's ability to absorb B12 I stopped taking it.. It has been about 6weeks and I am still suffering quite a lot. Heartburn and nausea. My Doctor put me on Ranitidine instead and it has not helped at all. Any suggestions?