Drug interactions
Fingolimod + Memantine-donepezil
Severity: Major
Fingolimod and Memantine-donepezil: 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
Fingolimod causes bradycardia on initiation and can prolong the QT interval. Donepezil also slows heart rate and may affect repolarization, so the combination may increase the risk of bradycardia and arrhythmia.
What this interaction means in plain words
Fingolimod and Memantine-donepezil 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.
Fingolimod belongs to Central Nervous System; Memantine-donepezil belongs to Central Nervous System.
Why it happens
Additive bradycardic and QTc-prolonging effects.
What to do
Perform ECG and heart rate monitoring around the first fingolimod dose, per labeling. Consider cardiology advice for patients on donepezil.
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 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
Other interactions of Fingolimod
- Adenovirus types 4 and 7 live + Fingolimod Contraindicated
- Bcg vaccine live + Fingolimod Contraindicated
- Fingolimod + Pimozide Contraindicated
- Fingolimod + Ponesimod Contraindicated
- Fingolimod + Quinidine Contraindicated
- Fingolimod + Siponimod Contraindicated
Frequently asked questions
Can I take Fingolimod with Memantine-donepezil?
MediHelp rates the interaction as major. Fingolimod and Memantine-donepezil 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. Fingolimod causes bradycardia on initiation and can prolong the QT interval. Donepezil also slows heart rate and may affect repolarization, so the combination may increase the risk of bradycardia and arrhythmia.
How serious is the interaction between Fingolimod and Memantine-donepezil?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Perform ECG and heart rate monitoring around the first fingolimod dose, per labeling. Consider cardiology advice for patients on donepezil.
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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