Drug interactions
Calcium chloride + Nifedipine
Severity: Moderate
Calcium chloride and Nifedipine: 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
Intravenous calcium can reverse the hemodynamic effects of calcium channel blockers, which is used therapeutically in overdose but may reduce the effect of nifedipine if given unintentionally. Hypercalcemia from calcium administration can blunt blood pressure lowering.
What this interaction means in plain words
Calcium chloride and Nifedipine 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.
Why it happens
Elevated extracellular calcium competes with channel blockade, increasing calcium influx into vascular and cardiac cells.
What to do
Monitor blood pressure and heart rate when calcium chloride is given to a patient taking nifedipine, and avoid unnecessary calcium dosing. Use deliberately only for calcium channel blocker toxicity.
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 Nifedipine
Frequently asked questions
Can I take Calcium chloride with Nifedipine?
MediHelp rates the interaction as moderate. Calcium chloride and Nifedipine 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. Intravenous calcium can reverse the hemodynamic effects of calcium channel blockers, which is used therapeutically in overdose but may reduce the effect of nifedipine if given unintentionally. Hypercalcemia from calcium administration can blunt blood pressure lowering.
How serious is the interaction between Calcium chloride and Nifedipine?
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 blood pressure and heart rate when calcium chloride is given to a patient taking nifedipine, and avoid unnecessary calcium dosing. Use deliberately only for calcium channel blocker toxicity.
What other medicines interact with Nifedipine?
MediHelp also lists interactions of Nifedipine with, for example, Amifostine, Amlodipine-benazepril, Apalutamide. The full list is on the Nifedipine page.
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