Drug interactions
Bethanechol + Henbane
Severity: Moderate
Bethanechol and Henbane: 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
Henbane contains hyoscyamine and scopolamine, which are antimuscarinic alkaloids that oppose bethanechol. The therapeutic effect of bethanechol may be reduced.
What this interaction means in plain words
Bethanechol and Henbane 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
Antimuscarinic alkaloids competitively block receptors stimulated by bethanechol.
What to do
Avoid henbane preparations during bethanechol therapy. Monitor response if exposure is unavoidable.
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 Henbane?
MediHelp rates the interaction as moderate. Bethanechol and Henbane 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. Henbane contains hyoscyamine and scopolamine, which are antimuscarinic alkaloids that oppose bethanechol. The therapeutic effect of bethanechol may be reduced.
How serious is the interaction between Bethanechol and Henbane?
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 henbane preparations during bethanechol therapy. Monitor response if exposure is unavoidable.
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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