Drug interactions
Bethanechol + Methscopolamine
Severity: Moderate
Bethanechol and Methscopolamine: 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
Methscopolamine is a quaternary antimuscarinic that blocks the receptors bethanechol stimulates. Efficacy of bethanechol is likely reduced.
What this interaction means in plain words
Bethanechol and Methscopolamine 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
Competitive muscarinic receptor antagonism opposes bethanechol agonism.
What to do
Avoid combining when bethanechol is used to promote bladder or gut motility. If both are needed, monitor clinical 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 Bethanechol
- Bethanechol + Darifenacin Major
- Bethanechol + Fesoterodine Major
- Bethanechol + Oxybutynin Major
- Bethanechol + Physostigmine Major
- Amifampridine + Bethanechol Moderate
- Amitriptyline + Bethanechol Moderate
Frequently asked questions
Can I take Bethanechol with Methscopolamine?
MediHelp rates the interaction as moderate. Bethanechol and Methscopolamine 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. Methscopolamine is a quaternary antimuscarinic that blocks the receptors bethanechol stimulates. Efficacy of bethanechol is likely reduced.
How serious is the interaction between Bethanechol and Methscopolamine?
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 combining when bethanechol is used to promote bladder or gut motility. If both are needed, monitor clinical response.
What other medicines interact with Bethanechol?
MediHelp also lists interactions of Bethanechol with, for example, Darifenacin, Fesoterodine, Oxybutynin. The full list is on the Bethanechol page.
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