Drug interactions
Memantine-donepezil + Romidepsin
Severity: Moderate
Memantine-donepezil and Romidepsin: 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
Both donepezil and romidepsin have been associated with QT prolongation, so combined use may raise the risk of ventricular arrhythmias. Donepezil-related bradycardia may add to this risk.
What this interaction means in plain words
Memantine-donepezil and Romidepsin 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.
Why it happens
Additive prolongation of cardiac repolarization.
What to do
Obtain a baseline and periodic ECG and keep potassium and magnesium within normal ranges during romidepsin therapy.
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 Memantine-donepezil
- Dronedarone + Memantine-donepezil Contraindicated
- Memantine-donepezil + Thioridazine Contraindicated
- Amantadine + Memantine-donepezil Major
- Amiodarone + Memantine-donepezil Major
- Amisulpride + Memantine-donepezil Major
- Amitriptyline + Memantine-donepezil Major
Frequently asked questions
Can I take Memantine-donepezil with Romidepsin?
MediHelp rates the interaction as moderate. Memantine-donepezil and Romidepsin 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. Both donepezil and romidepsin have been associated with QT prolongation, so combined use may raise the risk of ventricular arrhythmias. Donepezil-related bradycardia may add to this risk.
How serious is the interaction between Memantine-donepezil and Romidepsin?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Obtain a baseline and periodic ECG and keep potassium and magnesium within normal ranges during romidepsin therapy.
What other medicines interact with Memantine-donepezil?
MediHelp also lists interactions of Memantine-donepezil with, for example, Dronedarone, Thioridazine, Amantadine. The full list is on the Memantine-donepezil page.
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