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Topics:
General Internal Medicine • Hematology • Benign Hematology • Nephrology • Iron Homeostasis • Electrolyte disorders
Do you routinely check serum phosphorus levels after IV iron therapy?
If not, are there specific instances where you would recommend checking phosphorus levels and at what frequency for monitoring/treatment?
Answer from: Medical Oncologist at Academic Institution
Only before and after FCM. I hold subsequent doses if phosphorus low. There is no need to monitor with the other formulations. For people needing multiple doses of IV iron (IBD, bariatric surgery, heavy uterine bleeding, angiodysplasia), I avoid FCM.
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Answer from: Medical Oncologist at Academic Institution
I do not routinely monitor serum phosphorus levels after intravenous iron therapy if ferric carboxymaltose (FCM) is not being administered. At our institution, the top two formulary choices for outpatient use for iron repletion are iron sucrose and ferumoxytol, neither of which is associated with a ...