Drug interactions
Butabarbital + Galantamine
Severity: Minor
Butabarbital and Galantamine: 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
Butabarbital is an enzyme inducer that may speed CYP3A4-mediated clearance of galantamine and reduce its exposure. The clinical effect is likely small but could blunt cognitive benefit.
What this interaction means in plain words
Butabarbital and Galantamine 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
Induction of CYP3A4 by barbiturates increases galantamine metabolism.
What to do
No empirical dose change is needed; reassess cognitive response if a barbiturate is started or stopped.
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 Galantamine
- Galantamine + Memantine-donepezil Major
- Galantamine + Physostigmine Major
- Galantamine + Ponesimod Major
- Galantamine + Rivastigmine Major
- Amifampridine + Galantamine Moderate
- Amiodarone + Galantamine Moderate
Frequently asked questions
Can I take Butabarbital with Galantamine?
MediHelp rates the interaction as minor. Butabarbital and Galantamine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Butabarbital is an enzyme inducer that may speed CYP3A4-mediated clearance of galantamine and reduce its exposure. The clinical effect is likely small but could blunt cognitive benefit.
How serious is the interaction between Butabarbital and Galantamine?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No empirical dose change is needed; reassess cognitive response if a barbiturate is started or stopped.
What other medicines interact with Galantamine?
MediHelp also lists interactions of Galantamine with, for example, Memantine-donepezil, Physostigmine, Ponesimod. The full list is on the Galantamine page.
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