Drug interactions
Ezogabine + Flecainide
Severity: Moderate
Ezogabine and Flecainide: moderate 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 can cause mild QT prolongation, and flecainide slows cardiac conduction. Together they may modestly raise the risk of arrhythmia.
What this interaction means in plain words
Ezogabine and Flecainide can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Ezogabine belongs to Central Nervous System; Flecainide belongs to Cardiovascular.
Why it happens
Additive effects on QT interval and cardiac conduction.
What to do
Monitor ECG during co-administration, particularly at higher ezogabine doses. Correct electrolyte abnormalities.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
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Other interactions of Flecainide
- Flecainide + Nirmatrelvir Contraindicated
- Flecainide + Nirmatrelvir / ritonavir Contraindicated
- Flecainide + Pimozide Contraindicated
- Flecainide + Ritonavir Contraindicated
- Flecainide + Thioridazine Contraindicated
- Flecainide + Tipranavir Contraindicated
Other interactions of Ezogabine
Frequently asked questions
Can I take Ezogabine with Flecainide?
MediHelp rates the interaction as moderate. Ezogabine and Flecainide can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Ezogabine can cause mild QT prolongation, and flecainide slows cardiac conduction. Together they may modestly raise the risk of arrhythmia.
How serious is the interaction between Ezogabine and Flecainide?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor ECG during co-administration, particularly at higher ezogabine doses. Correct electrolyte abnormalities.
What other medicines interact with Flecainide?
MediHelp also lists interactions of Flecainide with, for example, Nirmatrelvir, Nirmatrelvir / ritonavir, Pimozide. The full list is on the Flecainide page.
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