Drug interactions
Bethanechol + Propantheline
Severity: Moderate
Bethanechol and Propantheline: 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
Propantheline is an antimuscarinic that blocks the receptors bethanechol stimulates. Efficacy of bethanechol is expected to be reduced.
What this interaction means in plain words
Bethanechol and Propantheline 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 concurrent use when bethanechol is meant to stimulate motility or bladder emptying. 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 Propantheline?
MediHelp rates the interaction as moderate. Bethanechol and Propantheline 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. Propantheline is an antimuscarinic that blocks the receptors bethanechol stimulates. Efficacy of bethanechol is expected to be reduced.
How serious is the interaction between Bethanechol and Propantheline?
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 concurrent use when bethanechol is meant to stimulate motility or bladder emptying. 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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