Drug interactions
Ezogabine + Pimozide
Severity: Major
Ezogabine and Pimozide: 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
Ezogabine has been associated with QT interval prolongation, and pimozide is a well-known QT-prolonging drug. Combined use may increase the risk of ventricular arrhythmia including torsades de pointes, and both can cause sedation.
What this interaction means in plain words
Ezogabine and Pimozide 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.
Ezogabine belongs to Central Nervous System; Pimozide belongs to Central Nervous System.
Why it happens
Additive prolongation of cardiac repolarization (QT interval).
What to do
Avoid the combination if possible. If necessary, obtain baseline and follow-up ECGs and keep potassium and magnesium within normal range.
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 Pimozide
- Adagrasib + Pimozide Contraindicated
- Amiodarone + Pimozide Contraindicated
- Amisulpride + Pimozide Contraindicated
- Amitriptyline + Pimozide Contraindicated
- Amoxapine + Pimozide Contraindicated
- Anagrelide + Pimozide Contraindicated
Other interactions of Ezogabine
Frequently asked questions
Can I take Ezogabine with Pimozide?
MediHelp rates the interaction as major. Ezogabine and Pimozide 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. Ezogabine has been associated with QT interval prolongation, and pimozide is a well-known QT-prolonging drug. Combined use may increase the risk of ventricular arrhythmia including torsades de pointes, and both can cause sedation.
How serious is the interaction between Ezogabine and Pimozide?
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 possible. If necessary, obtain baseline and follow-up ECGs and keep potassium and magnesium within normal range.
What other medicines interact with Pimozide?
MediHelp also lists interactions of Pimozide with, for example, Adagrasib, Amiodarone, Amisulpride. The full list is on the Pimozide page.
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