Drug interactions
Echothiophate iodide + Rivastigmine
Severity: Moderate
Echothiophate iodide 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
Echothiophate is an irreversible cholinesterase inhibitor, so combining it with rivastigmine may add to cholinesterase inhibition. Systemic cholinergic effects such as bradycardia, bronchospasm and gastrointestinal symptoms may arise, although ophthalmic exposure is usually low.
What this interaction means in plain words
Echothiophate iodide 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
Additive cholinesterase inhibition.
What to do
Monitor for systemic cholinergic effects including slow heart rate, wheezing, diarrhea and sweating. Consider an alternative glaucoma agent if these effects appear.
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 Echothiophate iodide with Rivastigmine?
MediHelp rates the interaction as moderate. Echothiophate iodide 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. Echothiophate is an irreversible cholinesterase inhibitor, so combining it with rivastigmine may add to cholinesterase inhibition. Systemic cholinergic effects such as bradycardia, bronchospasm and gastrointestinal symptoms may arise, although ophthalmic exposure is usually low.
How serious is the interaction between Echothiophate iodide 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: Monitor for systemic cholinergic effects including slow heart rate, wheezing, diarrhea and sweating. Consider an alternative glaucoma agent if these effects appear.
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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