HYPOMAGNESEMIA
✿ Decreased renal reabsorption
✧ hypercalcemia
✧ diabetes mellitus
✧ drugs
⁎ diuretics (loops, thiazide)
⁎ calcineurin inhibitors
⁎ abx (aminoglycoside, amphotericin)
⁎ cisplatin
⁎ anti-egf receptor ab (cetuximab)
✧ alcohol abuse
✧ postobstructive diuresis
✧ bartter / gitelman syndrome
✧ familial hypomagnesemia
✧ post acute tubular necrosis
✧ post kidney transplant
✿ GI loss
✧ secretory diarrhea
✧ malabsorption/ steatorrhea
✧ small bowel bypass surgery
✧ primary intestinal hypomagnesemia
✧ drugs
⁎ proton pump inhibitors
✿ Other
✧ acute pancreatitis
✧ hungry bone syndrome
HYPERMAGNESEMIA
✿ Decreased renal excretion
✧ renal insufficiency
✿ Increased gut absorption
✧ magnesium oral ingestion
⁎ epsom salts
⁎ laxatives
✧ magnesium enema
✿ Other
✧ magnesium iv infusion
✧ tumor lysis syndrome
