Drug interactions
Droperidol + Salbutamol
Severity: Major
Droperidol and Salbutamol: 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
Droperidol carries a boxed warning for QT prolongation and torsades de pointes. Salbutamol may add to the risk through hypokalemia and tachycardia.
What this interaction means in plain words
Droperidol and Salbutamol 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
Additive QT prolongation, with salbutamol-induced hypokalemia increasing susceptibility to torsades.
What to do
Obtain a baseline ECG and correct potassium and magnesium before use. Monitor the ECG continuously or consider an alternative antiemetic or sedative.
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 Salbutamol
Frequently asked questions
Can I take Droperidol with Salbutamol?
MediHelp rates the interaction as major. Droperidol and Salbutamol 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. Droperidol carries a boxed warning for QT prolongation and torsades de pointes. Salbutamol may add to the risk through hypokalemia and tachycardia.
How serious is the interaction between Droperidol and Salbutamol?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Obtain a baseline ECG and correct potassium and magnesium before use. Monitor the ECG continuously or consider an alternative antiemetic or sedative.
What other medicines interact with Salbutamol?
MediHelp also lists interactions of Salbutamol with, for example, Arsenic trioxide, Carvedilol, Fexinidazole. The full list is on the Salbutamol page.
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