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Drug interactions

Cisatracurium + Memantine-donepezil

Severity: Moderate

Cisatracurium and Memantine-donepezil: 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

Cholinesterase inhibitors such as donepezil can oppose the effect of nondepolarizing neuromuscular blockers like cisatracurium. This may lead to a reduced or shortened blockade, and may complicate anesthetic management.

What this interaction means in plain words

Cisatracurium and Memantine-donepezil 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.

Cisatracurium belongs to Musculoskeletal; Memantine-donepezil belongs to Central Nervous System.

Evidence level: Low

Why it happens

Donepezil increases acetylcholine at the neuromuscular junction, pharmacologically antagonizing competitive neuromuscular blockade.

What to do

Inform the anesthesia team of donepezil use before surgery and monitor neuromuscular function with a train-of-four monitor. Adjust the dose of cisatracurium as needed.

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?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Cisatracurium with Memantine-donepezil?

MediHelp rates the interaction as moderate. Cisatracurium and Memantine-donepezil 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. Cholinesterase inhibitors such as donepezil can oppose the effect of nondepolarizing neuromuscular blockers like cisatracurium. This may lead to a reduced or shortened blockade, and may complicate anesthetic management.

How serious is the interaction between Cisatracurium and Memantine-donepezil?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Inform the anesthesia team of donepezil use before surgery and monitor neuromuscular function with a train-of-four monitor. Adjust the dose of cisatracurium as needed.

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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