Drug interactions
Fluphenazine + Pazopanib
Severity: Major
Fluphenazine and Pazopanib: 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
Both drugs can prolong the QT interval, raising the risk of ventricular arrhythmia such as torsades de pointes, particularly with electrolyte disturbances or cardiac disease.
What this interaction means in plain words
Fluphenazine and Pazopanib 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.
Fluphenazine belongs to Central Nervous System; Pazopanib belongs to Oncology.
Why it happens
Additive QT prolongation through cardiac repolarization effects.
What to do
Avoid the combination if an alternative is available. Otherwise obtain baseline and periodic ECGs and correct potassium and magnesium.
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 Fluphenazine
- Arsenic trioxide + Fluphenazine Contraindicated
- Dofetilide + Fluphenazine Contraindicated
- Fluphenazine + Ibutilide Contraindicated
- Fluphenazine + Pimozide Contraindicated
- Adagrasib + Fluphenazine Major
- Alfentanil + Fluphenazine Major
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 Fluphenazine with Pazopanib?
MediHelp rates the interaction as major. Fluphenazine and Pazopanib 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. Both drugs can prolong the QT interval, raising the risk of ventricular arrhythmia such as torsades de pointes, particularly with electrolyte disturbances or cardiac disease.
How serious is the interaction between Fluphenazine and Pazopanib?
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 the combination if an alternative is available. Otherwise obtain baseline and periodic ECGs and correct potassium and magnesium.
What other medicines interact with Fluphenazine?
MediHelp also lists interactions of Fluphenazine with, for example, Arsenic trioxide, Dofetilide, Ibutilide. The full list is on the Fluphenazine page.
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