Hypomagnesemia is often associated with coexisting electrolyte abnormalities like hypokalemia and hypocalcemia. Hypocalcemia has been shown to be secondary to hypoparathyroidism induced by hypomagnesemia. Here. we discuss a case of a patient with severe hypomagnesemia and associated hypocalcemia. https://www.helpmesdicalsuppliers.shop/product-category/oxygen-concentrator-accessory/