Drug interactions
Calcium acetate + Vitamin d
Severity: Moderate
Calcium acetate and Vitamin d: moderate interaction.
Last updated
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Summary
Vitamin D enhances intestinal calcium absorption, and combined with calcium acetate, commonly used as a phosphate binder, can lead to hypercalcemia, especially in renal impairment.
What this interaction means in plain words
Calcium acetate and Vitamin d can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Calcium acetate belongs to Genitourinary; Vitamin d belongs to Gastrointestinal Tract.
Why it happens
Vitamin D increases gastrointestinal calcium absorption, adding to the calcium load from the salt.
What to do
Monitor serum calcium and phosphate regularly and reduce the calcium or vitamin D dose if hypercalcemia develops.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
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Other interactions of Vitamin d
Other interactions of Calcium acetate
Frequently asked questions
Can I take Calcium acetate with Vitamin d?
MediHelp rates the interaction as moderate. Calcium acetate and Vitamin d can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Vitamin D enhances intestinal calcium absorption, and combined with calcium acetate, commonly used as a phosphate binder, can lead to hypercalcemia, especially in renal impairment.
How serious is the interaction between Calcium acetate and Vitamin d?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor serum calcium and phosphate regularly and reduce the calcium or vitamin D dose if hypercalcemia develops.
What other medicines interact with Vitamin d?
MediHelp also lists interactions of Vitamin d with, for example, Aluminum hydroxide, Amlodipine-hydrochlorothiazide-valsartan, Amlodipine-olmesartan-hydrochlorothiazide. The full list is on the Vitamin d page.
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