Drug interactions
Atropine iv / + Rivastigmine
Severity: Moderate
Atropine iv / and Rivastigmine: 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 effects of rivastigmine. Atropine is also used to treat symptomatic bradycardia or excessive cholinergic effects from cholinesterase inhibitors. Dose-for-dose, the two will weaken each other's effect.
What this interaction means in plain words
Atropine iv / and Rivastigmine 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 a muscarinic antagonist and a cholinesterase inhibitor.
What to do
Use atropine intentionally to reverse cholinergic toxicity or bradycardia, titrating to heart rate and secretions. Otherwise, monitor for reduced rivastigmine benefit.
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 Rivastigmine
Frequently asked questions
Can I take Atropine iv / with Rivastigmine?
MediHelp rates the interaction as moderate. Atropine iv / and Rivastigmine 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 effects of rivastigmine. Atropine is also used to treat symptomatic bradycardia or excessive cholinergic effects from cholinesterase inhibitors. Dose-for-dose, the two will weaken each other's effect.
How serious is the interaction between Atropine iv / and Rivastigmine?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Use atropine intentionally to reverse cholinergic toxicity or bradycardia, titrating to heart rate and secretions. Otherwise, monitor for reduced rivastigmine benefit.
What other medicines interact with Rivastigmine?
MediHelp also lists interactions of Rivastigmine with, for example, Donepezil, Galantamine, Memantine-donepezil. The full list is on the Rivastigmine page.
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