Hypomagnesemia is associated with which of the following-: (A) Alcoholism, (B) Hypothyroidism, (C) Both, (D) None
Answer is A. A rising blood concentration of ethanol directly impairs tubular magnesium reabsorption, thus leading to hypomagnesemia. Hypehyroidism is a cause for hypomagnesemia and hypothyroidism causes hypermagnesemia. Reference : page 2462-63 Harrison's Principles of Internal Medicine 19th edition