Drug interactions
Memantine-donepezil + Rocuronium
Severity: Moderate
Memantine-donepezil and Rocuronium: 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
Donepezil may reduce the neuromuscular blocking effect of rocuronium, a non-depolarizing agent. Onset and duration of block may be less predictable during surgery.
What this interaction means in plain words
Memantine-donepezil and Rocuronium 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.
Memantine-donepezil belongs to Central Nervous System; Rocuronium belongs to Musculoskeletal.
Why it happens
Higher synaptic acetylcholine competes with non-depolarizing neuromuscular blockade.
What to do
Tell the anesthesia team about donepezil use and monitor neuromuscular function with train-of-four. Titrate rocuronium to response.
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
Other interactions of Rocuronium
Frequently asked questions
Can I take Memantine-donepezil with Rocuronium?
MediHelp rates the interaction as moderate. Memantine-donepezil and Rocuronium 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. Donepezil may reduce the neuromuscular blocking effect of rocuronium, a non-depolarizing agent. Onset and duration of block may be less predictable during surgery.
How serious is the interaction between Memantine-donepezil and Rocuronium?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Tell the anesthesia team about donepezil use and monitor neuromuscular function with train-of-four. Titrate rocuronium to response.
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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