Drug interactions
Diclofenac + Sotalol
Severity: Moderate
Diclofenac 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
Chronic diclofenac use may weaken the blood pressure lowering effect of sotalol. NSAIDs can also impair renal function, which matters because sotalol is renally cleared and accumulation raises proarrhythmic risk.
What this interaction means in plain words
Diclofenac 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.
Diclofenac belongs to Musculoskeletal; Sotalol belongs to Cardiovascular.
Why it happens
NSAID prostaglandin inhibition causes sodium retention and may reduce renal function, antagonizing antihypertensive effect and reducing sotalol clearance.
What to do
Monitor blood pressure, renal function and ECG/QT interval during sustained coadministration, and reduce NSAID exposure where possible.
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 Diclofenac
- Diclofenac + Ketorolac Contraindicated
- Diclofenac + Ketorolac intranasal Contraindicated
- Aceclofenac + Diclofenac Major
- Acemetacin + Diclofenac Major
- Alteplase + Diclofenac Major
- Amiloride + Diclofenac Major
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 Diclofenac with Sotalol?
MediHelp rates the interaction as moderate. Diclofenac 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. Chronic diclofenac use may weaken the blood pressure lowering effect of sotalol. NSAIDs can also impair renal function, which matters because sotalol is renally cleared and accumulation raises proarrhythmic risk.
How serious is the interaction between Diclofenac 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: Monitor blood pressure, renal function and ECG/QT interval during sustained coadministration, and reduce NSAID exposure where possible.
What other medicines interact with Diclofenac?
MediHelp also lists interactions of Diclofenac with, for example, Ketorolac, Ketorolac intranasal, Aceclofenac. The full list is on the Diclofenac page.
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