Drug interactions
Pazopanib + Sevoflurane
Severity: Major
Pazopanib and Sevoflurane: 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
Pazopanib carries a labeled risk of QT prolongation and torsades de pointes, and sevoflurane also lengthens the QT interval. Together they may raise the risk of serious ventricular arrhythmia during anesthesia.
What this interaction means in plain words
Pazopanib and Sevoflurane 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.
Pazopanib belongs to Oncology; Sevoflurane belongs to Central Nervous System.
Why it happens
Additive pharmacodynamic QT prolongation.
What to do
Review baseline ECG and correct potassium, magnesium and calcium before surgery. Monitor the ECG continuously during anesthesia and consider an anesthetic alternative with less QT effect (e.g., propofol-based TIVA).
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 Sevoflurane
Other interactions of Pazopanib
- Adagrasib + Pazopanib Major
- Amiodarone + Pazopanib Major
- Amisulpride + Pazopanib Major
- Amobarbital + Pazopanib Major
- Anagrelide + Pazopanib Major
- Apalutamide + Pazopanib Major
Frequently asked questions
Can I take Pazopanib with Sevoflurane?
MediHelp rates the interaction as major. Pazopanib and Sevoflurane 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. Pazopanib carries a labeled risk of QT prolongation and torsades de pointes, and sevoflurane also lengthens the QT interval. Together they may raise the risk of serious ventricular arrhythmia during anesthesia.
How serious is the interaction between Pazopanib and Sevoflurane?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Review baseline ECG and correct potassium, magnesium and calcium before surgery. Monitor the ECG continuously during anesthesia and consider an anesthetic alternative with less QT effect (e.g., propofol-based TIVA).
What other medicines interact with Sevoflurane?
MediHelp also lists interactions of Sevoflurane with, for example, Amiodarone, Amisulpride, Arsenic trioxide. The full list is on the Sevoflurane page.
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