Drug interactions
Calcium carbonate + Sotalol
Severity: Moderate
Calcium carbonate and Sotalol: 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
Antacids can reduce sotalol absorption by roughly a modest degree, potentially weakening its antiarrhythmic or beta-blocking effect. Significance is greatest in patients with tightly controlled arrhythmias.
What this interaction means in plain words
Calcium carbonate and Sotalol 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 carbonate belongs to Gastrointestinal Tract; Sotalol belongs to Cardiovascular.
Why it happens
Reduced gastrointestinal absorption of sotalol in the presence of antacids.
What to do
Give sotalol at least 2 hours apart from calcium carbonate antacids. Monitor heart rate and ECG if timing is not consistent.
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 Calcium carbonate
Other interactions of Sotalol
- Arsenic trioxide + Sotalol Contraindicated
- Artemether / lumefantrine + Sotalol Contraindicated
- Disopyramide + Sotalol Contraindicated
- Dofetilide + Sotalol Contraindicated
- Dronedarone + Sotalol Contraindicated
- Droperidol + Sotalol Contraindicated
Frequently asked questions
Can I take Calcium carbonate with Sotalol?
MediHelp rates the interaction as moderate. Calcium carbonate and Sotalol 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. Antacids can reduce sotalol absorption by roughly a modest degree, potentially weakening its antiarrhythmic or beta-blocking effect. Significance is greatest in patients with tightly controlled arrhythmias.
How serious is the interaction between Calcium carbonate and Sotalol?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Give sotalol at least 2 hours apart from calcium carbonate antacids. Monitor heart rate and ECG if timing is not consistent.
What other medicines interact with Calcium carbonate?
MediHelp also lists interactions of Calcium carbonate with, for example, Acalabrutinib, Alendronate, Amlodipine-hydrochlorothiazide-valsartan. The full list is on the Calcium carbonate page.
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