Drug interactions
Norepinephrine + Salbutamol
Severity: Moderate
Norepinephrine and Salbutamol: 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
Norepinephrine given intravenously produces strong vasoconstriction and cardiac stimulation. Salbutamol adds beta-agonist effects, increasing the risk of tachycardia, arrhythmias and hypokalemia in critically ill patients.
What this interaction means in plain words
Norepinephrine and Salbutamol 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.
Why it happens
Additive adrenergic stimulation and beta-2 mediated intracellular potassium shift.
What to do
Monitor ECG, blood pressure and serum potassium, and replace potassium as required. Titrate the norepinephrine infusion to hemodynamic response.
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 Salbutamol
Frequently asked questions
Can I take Norepinephrine with Salbutamol?
MediHelp rates the interaction as moderate. Norepinephrine and Salbutamol 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. Norepinephrine given intravenously produces strong vasoconstriction and cardiac stimulation. Salbutamol adds beta-agonist effects, increasing the risk of tachycardia, arrhythmias and hypokalemia in critically ill patients.
How serious is the interaction between Norepinephrine and Salbutamol?
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 ECG, blood pressure and serum potassium, and replace potassium as required. Titrate the norepinephrine infusion to hemodynamic response.
What other medicines interact with Salbutamol?
MediHelp also lists interactions of Salbutamol with, for example, Arsenic trioxide, Carvedilol, Droperidol. The full list is on the Salbutamol page.
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