Causes of Magnesium deficiency

Causes of Magnesium deficiency: Online Medical Books

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Magnesium imbalance: Causes
(Professional Guide to Diseases (Eighth Edition))

Hypomagnesemia usually results from impaired absorption of magnesium in the intestines or excessive excretion in urine or stool. Possible causes include:

❑ decreased magnesium intake or absorption, as in malabsorption syndrome, chronic diarrhea, or postoperative complications after bowel resection; chronic alcoholism; prolonged diuretic therapy, nasogastric suctioning, or administration of parenteral fluids without magnesium salts; and starvation or malnutrition

❑ excessive loss of magnesium, as in severe dehydration and diabetic acidosis; hyperaldosteronism and hypoparathyroidism, which result in hypokalemia and hypocalcemia; hyperparathyroidism and hypercalcemia; excessive release of adrenocortical hormones; and diuretic therapy.

Hypermagnesemia results from the kidneys’ inability to excrete magnesium that was either absorbed from the intestines or infused. Common causes of hypermagnesemia include:

❑ chronic renal insufficiency

❑ use of laxatives (magnesium sulfate, milk of magnesia, and magnesium citrate solutions), especially with renal insufficiency

❑ overuse of magnesium-containing antacids

❑ severe dehydration (resulting oliguria can cause magnesium retention)

❑ overcorrection of hypomagnesemia.

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Related information on causes of Magnesium deficiency:

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