Drug interactions
Indapamide + Vandetanib
Severity: Major
Indapamide and Vandetanib: 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
Vandetanib has a boxed warning for QT prolongation, torsade de pointes and sudden death. Indapamide can worsen risk via hypokalemia, hypomagnesemia and its own QT effect.
What this interaction means in plain words
Indapamide and Vandetanib 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.
Indapamide belongs to Cardiovascular; Vandetanib belongs to Oncology.
Why it happens
Additive QTc prolongation with diuretic-induced electrolyte depletion.
What to do
Avoid the combination where possible, use a non-QT-prolonging antihypertensive, and keep potassium and magnesium normal with regular ECG monitoring if unavoidable.
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 Indapamide
Other interactions of Vandetanib
- Amiodarone + Vandetanib Contraindicated
- Amisulpride + Vandetanib Contraindicated
- Amitriptyline + Vandetanib Contraindicated
- Anagrelide + Vandetanib Contraindicated
- Asenapine + Vandetanib Contraindicated
- Chloroquine + Vandetanib Contraindicated
Frequently asked questions
Can I take Indapamide with Vandetanib?
MediHelp rates the interaction as major. Indapamide and Vandetanib 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. Vandetanib has a boxed warning for QT prolongation, torsade de pointes and sudden death. Indapamide can worsen risk via hypokalemia, hypomagnesemia and its own QT effect.
How serious is the interaction between Indapamide and Vandetanib?
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 where possible, use a non-QT-prolonging antihypertensive, and keep potassium and magnesium normal with regular ECG monitoring if unavoidable.
What other medicines interact with Indapamide?
MediHelp also lists interactions of Indapamide with, for example, Adagrasib, Amifostine, Amiodarone. The full list is on the Indapamide page.
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