Hypermagnesemia is an electrolyte disorder in which there is a high level of magnesium in the blood.

Treatment involves stopping the magnesium a person is getting.[2] Treatment when levels are very high include calcium chloride, intravenous normal saline with furosemide, and hemodialysis.[1] Hypermagnesemia is uncommon.[3] Rates among hospitalized patients in renal failure may be as high as 10%.[2]

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• Exogenous sources of magnesium should be discontinued

• Calcium antagonizes Mg2+ and may be given intravenously as calcium chloride, 500 mg or more at a rate of 100 mg (4.1 mmol)/min

• Hemodialysis or peritoneal dialysis may be indicated

   

• Long-term use of magnesium hydroxide and magnesium sulfate should be avoided in patients with advanced stages of CKD