Drug interactions
Galantamine + Propantheline
Severity: Moderate
Galantamine and Propantheline: 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
Propantheline is an antimuscarinic that opposes galantamine's cholinergic action. Efficacy of both can be reduced.
What this interaction means in plain words
Galantamine and Propantheline 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 at muscarinic receptors.
What to do
Avoid if an alternative exists; otherwise monitor cognition and the symptoms treated by propantheline.
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 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 Galantamine with Propantheline?
MediHelp rates the interaction as moderate. Galantamine and Propantheline 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. Propantheline is an antimuscarinic that opposes galantamine's cholinergic action. Efficacy of both can be reduced.
How serious is the interaction between Galantamine and Propantheline?
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 if an alternative exists; otherwise monitor cognition and the symptoms treated by propantheline.
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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