A 50-year-old manhas a history of frequent episodes of renal colic with high calcium renal stones. The most useful diuretic in the treatment of recuurent calcium stones is:
(Ref: KDT 6/e p556) thiazides cause hypercalcemia by decreasing the renal excretion of Ca2+. These are useful in a patient having hypercalciurea. In such a patient, thiazides decrease the excretion of Ca2+ in the kidney and thus reduces the chances of stone formation.