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Drug interactions

Bethanechol + Glycopyrronium

Severity: Moderate

Bethanechol and Glycopyrronium: 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

Bethanechol is a muscarinic agonist and glycopyrronium is a muscarinic antagonist, so each can reduce the therapeutic effect of the other. The result is unpredictable loss of bethanechol effect on bladder or gut stimulation.

What this interaction means in plain words

Bethanechol and Glycopyrronium 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.

Bethanechol belongs to Gastrointestinal Tract; Glycopyrronium belongs to Respiratory.

Evidence level: Moderate

Why it happens

Pharmacodynamic antagonism at muscarinic receptors.

What to do

Avoid combining where possible; if both are needed, monitor for bethanechol efficacy (urinary or GI function) and adjust doses accordingly.

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?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Bethanechol with Glycopyrronium?

MediHelp rates the interaction as moderate. Bethanechol and Glycopyrronium 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. Bethanechol is a muscarinic agonist and glycopyrronium is a muscarinic antagonist, so each can reduce the therapeutic effect of the other. The result is unpredictable loss of bethanechol effect on bladder or gut stimulation.

How serious is the interaction between Bethanechol and Glycopyrronium?

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 where possible; if both are needed, monitor for bethanechol efficacy (urinary or GI function) and adjust doses accordingly.

What other medicines interact with Glycopyrronium?

MediHelp also lists interactions of Glycopyrronium with, for example, Clozapine, Potassium chloride, Abobotulinumtoxina. The full list is on the Glycopyrronium page.

Full monographs, dosing and an interaction checker in the MediHelp app

Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.

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