None of the medicine in any discipline reduces stone size to significant degree except pure uric acid stone. All these medicine can help to reduce further growth or formation of new stones. Such side stone can be broken by lithotripsy. Mini PCNL is also option, where stone is removed by very small stitchless hole from kidney. No scar, very less pain lasting one or two days, almost nil blood loss, and able to do your job within few days.