Chronic thiazide therapy causes persistent hypercalcemia due to -: (A) Renal tubular acidosis, (B) Fanconi's syndrome, (C) Hypervitaminosis D, (D) Hyperparathyroidism
Answer is D. Ans. is d i.e., Hyperparathyroidism o Chronic thiazide therapy causes hypercalcemia because it enhances the parathyroid mediated increase of Ca reabsorption.