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What is Vitamin D toxicity is treated with and explain in detail?
Ans. C. Dexamethasone* Dexamethasone is used in the treatment of hypercalcemia due to vitamin D toxicity. Glucocoicoid (Dexamethasone, prednisolone etc) therapy will decrease plasma calcium levels by blocking the action of vitamin D(1,25 D) which results in reduced intestinal calcium absorption and increased urinary excretion of calcium. * Other drugs like chloroquine and hydroxychloroquine are less effective in treating hypercalcemia due to vitamin D toxicity.