Is Huperzine A Safe with Rivastigmine?
Free · No account · based on published sources including NIH ODS, FDA drug labels, and peer-reviewed literature
Avoid this combination entirely. Consult your neurologist before taking any cognitive supplements while on Rivastigmine. Seek emergency care if you experience slow heart rate, excessive sweating, or difficulty breathing.
Why this interaction occurs
Rivastigmine is a dual acetylcholinesterase and butyrylcholinesterase inhibitor. Huperzine A adds further cholinesterase inhibition, compounding the risk of cholinergic crisis including bradycardia, bronchospasm, urinary incontinence, and potentially fatal respiratory compromise.
Evidence
Evidence level: strong.
Data source
PubMed: PMID 30823604
Reported safety data
The FDA’s adverse event reporting system (FAERS) has received 8,521 reports mentioning Rivastigmine. This reflects reported cases involving the medication in general — not confirmed causation, and not specific to the Rivastigmine + supplement combination on this page.
FAERS reports are voluntary and cannot prove that a drug caused an event. Do not use report counts to assess the safety of this specific drug-supplement pair.
Frequently asked questions
Related interactions
All Huperzine A interactions → · All Rivastigmine interactions →
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Educational only — not medical advice.
Always confirm with your doctor or pharmacist.