Calcium acetate and Paricalcitol interaction
Calcium acetate and Paricalcitol: both prescribing labels describe an interaction that usually calls for monitoring, a dose change, or spacing the doses.
Usually manageable with monitoring or a dose change. Tell your pharmacist you take both.
What the FDA labels say
From the Calcium acetate label · effective 2026-05-28
WARNINGS AND PRECAUTIONS Treat mild hypercalcemia by reducing or interrupting calcium acetate capsules and Vitamin D.
Decreasing or discontinuing Vitamin D therapy is recommended as well.
From the Paricalcitol label · effective 2024-07-30
Hypercalcemia may be exacerbated by concomitant administration of high doses of calcium-containing preparations, thiazide diuretics, or other vitamin D compounds [see Drug Interactions (7) ] .
Table 4: Clinically Significant Drug Interactions with Paricalcitol Injection Drugs that May Increase the risk of Hypercalcemia Clinical Impact Concomitant administration of high doses of calcium-containing preparations or other vitamin D compounds may increase the risk of hypercalcemia.
Examples Calcium-containing products, other vitamin D compounds or thiazide diuretics Intervention Monitor calcium more frequently and adjust Paricalcitol Injection dose as needed [see Warnings and Precautions (5.1) ] .
Taking more than these two? Interactions stack. Check your whole list at once; it stays in your browser.
Open in the checkerNot medical advice. Interaction Checker quotes FDA label text and NIH fact sheets. Whether an interaction matters for you depends on doses, timing, kidney and liver function, and other conditions. Confirm with a pharmacist or prescriber.