Magnesium research : official organ of the International Society for the Development of Research on Magnesium
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Magnesium is an important electrolyte for very many cell functions and its deficiency may lead to a wide spectrum of diseases. We report a clinical case of hypomagnesemia resulting from the chronic use of a proton pump inhibitor (PPI). PPIs are drugs widely used in medical practice, and a growing number of cases of PPIs causing hypomagnesemia have been described. Our aim was to monitor the clinical and electrolyte findings during recovery from hypomagnesemia caused by long-term PPI use. ⋯ this report emphasizes that even if long-term PPI users appear largely asymptomatic, life-threatening arrhythmias can present very suddenly. Long-term PPI users should be monitored for otherwise unexplained hypomagnesemia, hypocalcemia, functional hypoparathyroidism and associated symptoms.