stones) are usually treated by the 'watch and wait ' method if they are small (less than 5mm).
1) Dietary modification ( decrease amount of salt, protein and calcium intake)
2) Hydration (Drink lots of fluid) or, if very painful you may require IV hydration with pain medications
3) Extra corporeal shock
wave therapy (yup, shock wave to break down the stone size to less than 1mm so they can pass on its own)
4) Surgery (Basket removal....passing urethroscope via the bladder into kidney area or ureter
and removing the stone using a sort of 'basket').
**** The other surgical procedure is percutaneous (direct entry into the kidney via skin for those large kidney stone removal).