BackgroundRefractory hypercalcemia is one of the major complications of parathyroid carcinoma. Case reportAn 84-year old female patient presented with an acute confusional state due to hypercalcemia. This led to the diagnosis of primary hyperparathyroidism for which she underwent surgery. https://www.getpureroutine.com/limited-deal-swisse-ultiboost-high-strength-magnesium-powder-berry-180g-supply-top-savings/