Drug interactions
Cyclobenzaprine + Donepezil transdermal
Severity: Moderate
Cyclobenzaprine and Donepezil transdermal: 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 enhances cholinergic transmission, while cyclobenzaprine has anticholinergic properties that can oppose this effect. The benefit of donepezil on cognition may be reduced.
What this interaction means in plain words
Cyclobenzaprine and Donepezil transdermal 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
Pharmacodynamic antagonism between a cholinesterase inhibitor and an antimuscarinic agent.
What to do
Avoid cyclobenzaprine in patients with dementia where possible and choose a non-anticholinergic alternative. If used, monitor cognition and function.
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 Cyclobenzaprine
- Cyclobenzaprine + Isocarboxazid Contraindicated
- Cyclobenzaprine + Linezolid Contraindicated
- Cyclobenzaprine + Phenelzine Contraindicated
- Cyclobenzaprine + Safinamide Contraindicated
- Cyclobenzaprine + Selegiline Contraindicated
- Cyclobenzaprine + Selegiline transdermal Contraindicated
Frequently asked questions
Can I take Cyclobenzaprine with Donepezil transdermal?
MediHelp rates the interaction as moderate. Cyclobenzaprine and Donepezil transdermal 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 enhances cholinergic transmission, while cyclobenzaprine has anticholinergic properties that can oppose this effect. The benefit of donepezil on cognition may be reduced.
How serious is the interaction between Cyclobenzaprine and Donepezil transdermal?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid cyclobenzaprine in patients with dementia where possible and choose a non-anticholinergic alternative. If used, monitor cognition and function.
What other medicines interact with Cyclobenzaprine?
MediHelp also lists interactions of Cyclobenzaprine with, for example, Isocarboxazid, Linezolid, Phenelzine. The full list is on the Cyclobenzaprine page.
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