Praxis Medical Insights

Est. 2024 • Clinical Guidelines Distilled

Made possible by volunteer editors from the University of Calgary & University of Alberta

Last Updated: 10/26/2025

Phosphate Repletion Therapy

Introduction to Phosphate Repletion

  • The American Journal of Hematology recommends against using phosphate repletion for ferric carboxymaltose-induced hypophosphatemia, as it can worsen the condition by raising parathyroid hormone and increasing phosphaturia, and instead suggests focusing on vitamin D supplementation to mitigate secondary hyperparathyroidism 1

Phosphate Repletion Considerations

  • The American Journal of Hematology suggests that for ferric carboxymaltose-induced hypophosphatemia, treatment should focus on vitamin D supplementation to mitigate secondary hyperparathyroidism, rather than phosphate repletion 1