I have been diagnosed with GERD since 1990. I have taken almost all of the PPI s on the market. The latest is or was Prevacid now(OTC). I recently had a DNA testing Pharmacogenomics. One of the drugs on the list to use caution was Prevacid 15mg. The recommendation was Rabeprazole. I am not metabolizing this drug in my bloodstream. There are also a few other px s I take to use caution, diazepam, sertraline, tramadol, statins etc. I do not take a lot of medications, 5mg diaz. 2x 30mg sert. 1x. Prev.15mg , & also 81mg 1x in the pm ecotrin. Help?