Thiazides cause hypercalcemia by ?
a) Increased Ca" absorption
b) Increased PTH secretion
c) Decreased calcitonin secretion
d) Decreased calcium excretion
Correct Answer - D
Ans. D. Decreased calcium excretion
Thiazides cause hypercalcemia by:-
Reduced urinary excretion of calcium due to a direct tubular effect or
ECF depletion with secondary increase in tubular reabsorption of
sodium and calcium, or both.
Increased bone responsiveness to the resorptive action of vitamin D