Drug interactions
Galantamine + Protriptyline
Severity: Moderate
Galantamine and Protriptyline: 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
Protriptyline is a tricyclic with notable anticholinergic activity that can counteract galantamine. This may worsen cognition and add adverse effects such as tachycardia and urinary retention.
What this interaction means in plain words
Galantamine and Protriptyline 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 cholinesterase inhibition and anticholinergic activity.
What to do
Prefer a less anticholinergic antidepressant; if combined, monitor cognition, heart rate and anticholinergic effects.
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 Protriptyline?
MediHelp rates the interaction as moderate. Galantamine and Protriptyline 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. Protriptyline is a tricyclic with notable anticholinergic activity that can counteract galantamine. This may worsen cognition and add adverse effects such as tachycardia and urinary retention.
How serious is the interaction between Galantamine and Protriptyline?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Prefer a less anticholinergic antidepressant; if combined, monitor cognition, heart rate and anticholinergic effects.
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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