How does cystic fibrosis cause hypomagnesemia?

Updated: Oct 30, 2020
  • Author: Tibor Fulop, MD, PhD, FACP, FASN; Chief Editor: Vecihi Batuman, MD, FASN  more...
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Answer

Serum magnesium levels decrease with age in patients with cystic fibrosis (CF), and hypomagnesemia occurs in more than half of patients with advanced CF. In part, hypomagnesemia in these patients may result from use of aminoglycoside antibiotics, which can induce both acute and chronic renal magnesium-wasting. In addition, limited data suggest that CF may impair intestinal magnesium balance. [110]


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