Drug interactions
Atropine + Galantamine
Severity: Moderate
Atropine and Galantamine: 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
Atropine blocks muscarinic receptors and opposes the cholinergic effect of galantamine. Systemic atropine may reduce galantamine efficacy, though atropine can also be used deliberately to counter cholinergic adverse effects such as bradycardia.
What this interaction means in plain words
Atropine and Galantamine 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.
Atropine belongs to Miscellaneous; Galantamine belongs to Central Nervous System.
Why it happens
Pharmacodynamic antagonism between a cholinesterase inhibitor and a muscarinic antagonist.
What to do
Avoid routine systemic anticholinergic use in patients on galantamine. If atropine is given for bradycardia or secretions, monitor heart rate and cognitive response.
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
Other interactions of Atropine
- Atropine + Eluxadoline Major
- Atropine + Henbane Major
- Atropine + Pramlintide Major
- Abobotulinumtoxina + Atropine Moderate
- Aclidinium + Atropine Moderate
- Amantadine + Atropine Moderate
Frequently asked questions
Can I take Atropine with Galantamine?
MediHelp rates the interaction as moderate. Atropine and Galantamine 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. Atropine blocks muscarinic receptors and opposes the cholinergic effect of galantamine. Systemic atropine may reduce galantamine efficacy, though atropine can also be used deliberately to counter cholinergic adverse effects such as bradycardia.
How serious is the interaction between Atropine and Galantamine?
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 routine systemic anticholinergic use in patients on galantamine. If atropine is given for bradycardia or secretions, monitor heart rate and cognitive response.
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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