Drug interactions
Ezogabine + Ritonavir
Severity: Moderate
Ezogabine and Ritonavir: 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
Ritonavir has been associated with QT and PR prolongation, and ezogabine can modestly prolong the QT interval. Co-administration may add to arrhythmia risk, especially in patients with cardiac disease or electrolyte disturbances.
What this interaction means in plain words
Ezogabine and Ritonavir 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; Ritonavir belongs to Anti Virals.
Why it happens
Additive effects on cardiac repolarization from both drugs.
What to do
Monitor ECG at baseline and during therapy, and correct electrolyte abnormalities. Avoid other QT-prolonging drugs where possible.
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 Ezogabine
Other interactions of Ritonavir
- Alfuzosin + Ritonavir Contraindicated
- Amiodarone + Ritonavir Contraindicated
- Avanafil + Ritonavir Contraindicated
- Colchicine + Ritonavir Contraindicated
- Dronedarone + Ritonavir Contraindicated
- Eletriptan + Ritonavir Contraindicated
Frequently asked questions
Can I take Ezogabine with Ritonavir?
MediHelp rates the interaction as moderate. Ezogabine and Ritonavir 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. Ritonavir has been associated with QT and PR prolongation, and ezogabine can modestly prolong the QT interval. Co-administration may add to arrhythmia risk, especially in patients with cardiac disease or electrolyte disturbances.
How serious is the interaction between Ezogabine and Ritonavir?
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 at baseline and during therapy, and correct electrolyte abnormalities. Avoid other QT-prolonging drugs where possible.
What other medicines interact with Ezogabine?
MediHelp also lists interactions of Ezogabine with, for example, Adagrasib, Amiodarone, Amisulpride. The full list is on the Ezogabine page.
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