Hypercalcaemia of malignancy

Weight-bearing ambulation and oral hydration should be encouraged. Patients should stop any calcium supplementation that they may be taking. There may need to be discussions about the continued use of medications that are associated with hypercalcaemia (e.g., lithium, thiazide diuretics, calcitriol [(1,25-dihydroxyvitamin D)], and vitamin D), and medications that may impair mental clarity (sedatives, hypnotics, analgesics).