Drug interactions
Apomorphine + Sotalol
Severity: Major
Apomorphine and Sotalol: major interaction.
Last updated Sources: US FDA label
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
Apomorphine can prolong the QT interval and sotalol has a pronounced class III effect. Together they raise the risk of torsades de pointes. Apomorphine can also cause hypotension.
What this interaction means in plain words
Apomorphine and Sotalol can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Apomorphine belongs to Central Nervous System; Sotalol belongs to Cardiovascular.
Why it happens
Additive QT prolongation.
What to do
Avoid if possible, or obtain baseline and follow-up ECGs and correct electrolytes. Consider alternatives for Parkinson's symptoms.
What to ask your pharmacist
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
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References
Other interactions of Sotalol
- Arsenic trioxide + Sotalol Contraindicated
- Artemether / lumefantrine + Sotalol Contraindicated
- Disopyramide + Sotalol Contraindicated
- Dofetilide + Sotalol Contraindicated
- Dronedarone + Sotalol Contraindicated
- Droperidol + Sotalol Contraindicated
Other interactions of Apomorphine
- Alosetron + Apomorphine Contraindicated
- Apomorphine + Cisapride Contraindicated
- Apomorphine + Dolasetron Contraindicated
- Apomorphine + Granisetron Contraindicated
- Apomorphine + Netupitant-palonosetron Contraindicated
- Apomorphine + Ondansetron Contraindicated
Frequently asked questions
Can I take Apomorphine with Sotalol?
MediHelp rates the interaction as major. Apomorphine and Sotalol can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Apomorphine can prolong the QT interval and sotalol has a pronounced class III effect. Together they raise the risk of torsades de pointes. Apomorphine can also cause hypotension.
How serious is the interaction between Apomorphine and Sotalol?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid if possible, or obtain baseline and follow-up ECGs and correct electrolytes. Consider alternatives for Parkinson's symptoms.
What other medicines interact with Sotalol?
MediHelp also lists interactions of Sotalol with, for example, Arsenic trioxide, Artemether / lumefantrine, Disopyramide. The full list is on the Sotalol page.
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