Drug interactions
Cyclobenzaprine + Huperzine a
Severity: Minor
Cyclobenzaprine and Huperzine a: minor 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
Huperzine A is a cholinesterase inhibitor that increases cholinergic signalling, whereas cyclobenzaprine has anticholinergic activity that may oppose it. The practical effect is uncertain, but reduced efficacy of huperzine A or unpredictable cholinergic effects are possible.
What this interaction means in plain words
Cyclobenzaprine and Huperzine a have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Why it happens
Pharmacodynamic opposition between acetylcholinesterase inhibition and muscarinic antagonism; the clinical significance is not well established.
What to do
Avoid unnecessary co-use where possible and monitor cognitive function and cholinergic symptoms such as bradycardia or GI upset if used together.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
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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 Huperzine a?
MediHelp rates the interaction as minor. Cyclobenzaprine and Huperzine a have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Huperzine A is a cholinesterase inhibitor that increases cholinergic signalling, whereas cyclobenzaprine has anticholinergic activity that may oppose it. The practical effect is uncertain, but reduced efficacy of huperzine A or unpredictable cholinergic effects are possible.
How serious is the interaction between Cyclobenzaprine and Huperzine a?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid unnecessary co-use where possible and monitor cognitive function and cholinergic symptoms such as bradycardia or GI upset if used together.
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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