Drug interactions
Hydroxychloroquine + Pazopanib
Severity: Major
Hydroxychloroquine 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
Pazopanib carries a warning for QT prolongation and torsades de pointes, and hydroxychloroquine adds to this risk. The combination can increase the likelihood of serious ventricular arrhythmia.
What this interaction means in plain words
Hydroxychloroquine 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.
Hydroxychloroquine belongs to Musculoskeletal; Pazopanib belongs to Oncology.
Why it happens
Additive QT prolongation through effects on cardiac repolarization.
What to do
Avoid concurrent use where possible; if needed, monitor ECG and electrolytes at baseline and periodically, and correct hypokalemia and hypomagnesemia.
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 Hydroxychloroquine
- Arsenic trioxide + Hydroxychloroquine Contraindicated
- Cisapride + Hydroxychloroquine Contraindicated
- Dronedarone + Hydroxychloroquine Contraindicated
- Hydroxychloroquine + Pimozide Contraindicated
- Hydroxychloroquine + Thioridazine Contraindicated
- Hydroxychloroquine + Vandetanib Contraindicated
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 Hydroxychloroquine with Pazopanib?
MediHelp rates the interaction as major. Hydroxychloroquine 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. Pazopanib carries a warning for QT prolongation and torsades de pointes, and hydroxychloroquine adds to this risk. The combination can increase the likelihood of serious ventricular arrhythmia.
How serious is the interaction between Hydroxychloroquine 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 concurrent use where possible; if needed, monitor ECG and electrolytes at baseline and periodically, and correct hypokalemia and hypomagnesemia.
What other medicines interact with Hydroxychloroquine?
MediHelp also lists interactions of Hydroxychloroquine with, for example, Arsenic trioxide, Cisapride, Dronedarone. The full list is on the Hydroxychloroquine page.
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