Drug interactions
Glycopyrronium + Propantheline
Severity: Moderate
Glycopyrronium 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
Both are quaternary antimuscarinic agents, so using them together adds up peripheral anticholinergic effects. Patients may develop marked dry mouth, constipation, urinary retention, blurred vision and tachycardia.
What this interaction means in plain words
Glycopyrronium 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
Additive blockade of muscarinic receptors (pharmacodynamic synergism).
What to do
Avoid duplicate antimuscarinic therapy where possible. If both are needed, monitor for urinary retention, ileus and tachycardia and reduce the dose of one agent if symptoms occur.
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 Glycopyrronium
- Clozapine + Glycopyrronium Major
- Abobotulinumtoxina + Glycopyrronium Moderate
- Aclidinium + Glycopyrronium Moderate
- Amantadine + Glycopyrronium Moderate
- Amitriptyline + Glycopyrronium Moderate
- Amoxapine + Glycopyrronium Moderate
Frequently asked questions
Can I take Glycopyrronium with Propantheline?
MediHelp rates the interaction as moderate. Glycopyrronium 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. Both are quaternary antimuscarinic agents, so using them together adds up peripheral anticholinergic effects. Patients may develop marked dry mouth, constipation, urinary retention, blurred vision and tachycardia.
How serious is the interaction between Glycopyrronium 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 duplicate antimuscarinic therapy where possible. If both are needed, monitor for urinary retention, ileus and tachycardia and reduce the dose of one agent if symptoms occur.
What other medicines interact with Glycopyrronium?
MediHelp also lists interactions of Glycopyrronium with, for example, Clozapine, Abobotulinumtoxina, Aclidinium. The full list is on the Glycopyrronium page.
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