Drug interactions
Calcium acetate + Verapamil
Severity: Minor
Calcium acetate 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
Calcium given in therapeutic doses can partially reverse the effects of calcium channel blockers. Oral calcium acetate as a phosphate binder is unlikely to cause meaningful loss of verapamil effect.
What this interaction means in plain words
Calcium acetate 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.
Calcium acetate belongs to Genitourinary; Verapamil belongs to Cardiovascular.
Why it happens
Elevated serum calcium pharmacodynamically opposes calcium channel blockade.
What to do
Monitor blood pressure or heart rate if serum calcium rises substantially; no routine adjustment is needed.
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
Other interactions of Calcium acetate
Frequently asked questions
Can I take Calcium acetate with Verapamil?
MediHelp rates the interaction as minor. Calcium acetate 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. Calcium given in therapeutic doses can partially reverse the effects of calcium channel blockers. Oral calcium acetate as a phosphate binder is unlikely to cause meaningful loss of verapamil effect.
How serious is the interaction between Calcium acetate 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: Monitor blood pressure or heart rate if serum calcium rises substantially; no routine adjustment is needed.
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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