Drug interactions
Calcium citrate + Verapamil
Severity: Minor
Calcium citrate and Verapamil: minor 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
Oral calcium supplements may slightly antagonize verapamil if serum calcium becomes elevated. At usual supplemental doses the effect is generally small.
What this interaction means in plain words
Calcium citrate and Verapamil have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Why it happens
Elevated serum calcium pharmacodynamically opposes calcium channel blockade.
What to do
No routine change; monitor blood pressure and heart rate if high-dose calcium or vitamin D is used.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
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Other interactions of Verapamil
- Dofetilide + Verapamil Contraindicated
- Flibanserin + Verapamil Contraindicated
- Lomitapide + Verapamil Contraindicated
- Lonafarnib + Verapamil Contraindicated
- Pimozide + Verapamil Contraindicated
- Acebutolol + Verapamil Major
Frequently asked questions
Can I take Calcium citrate with Verapamil?
MediHelp rates the interaction as minor. Calcium citrate and Verapamil have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Oral calcium supplements may slightly antagonize verapamil if serum calcium becomes elevated. At usual supplemental doses the effect is generally small.
How serious is the interaction between Calcium citrate and Verapamil?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No routine change; monitor blood pressure and heart rate if high-dose calcium or vitamin D is used.
What other medicines interact with Verapamil?
MediHelp also lists interactions of Verapamil with, for example, Dofetilide, Flibanserin, Lomitapide. The full list is on the Verapamil page.
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