Drug interactions
Norepinephrine + Sotalol
Severity: Major
Norepinephrine and Sotalol: major 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
With non-selective beta-blockade, norepinephrine can cause unopposed alpha-mediated vasoconstriction, producing marked hypertension and reflex bradycardia. Beta-blockade can also reduce the cardiac stimulating effect of norepinephrine, making the response less predictable.
What this interaction means in plain words
Norepinephrine 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.
Why it happens
Pharmacodynamic antagonism of beta effects with unopposed alpha-adrenergic vasoconstriction.
What to do
Titrate norepinephrine carefully with continuous blood pressure and heart rate monitoring. Be prepared for exaggerated pressor responses or reduced inotropic response.
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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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 Norepinephrine with Sotalol?
MediHelp rates the interaction as major. Norepinephrine 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. With non-selective beta-blockade, norepinephrine can cause unopposed alpha-mediated vasoconstriction, producing marked hypertension and reflex bradycardia. Beta-blockade can also reduce the cardiac stimulating effect of norepinephrine, making the response less predictable.
How serious is the interaction between Norepinephrine 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: Titrate norepinephrine carefully with continuous blood pressure and heart rate monitoring. Be prepared for exaggerated pressor responses or reduced inotropic response.
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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