Drug interactions
Belladonna and opium + Glycopyrronium
Severity: Moderate
Belladonna and opium 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
Belladonna and opium suppositories combine an antimuscarinic with an opioid, and with glycopyrronium the anticholinergic and constipating effects add up. Urinary retention, severe constipation and paralytic ileus can result.
What this interaction means in plain words
Belladonna and opium 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.
Why it happens
Additive antimuscarinic effects, with opioid-induced reduction of gut and bladder motility compounding them.
What to do
Monitor bowel function and urinary output, and avoid the combination in patients with ileus risk or urinary obstruction.
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 Belladonna and opium with Glycopyrronium?
MediHelp rates the interaction as moderate. Belladonna and opium 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. Belladonna and opium suppositories combine an antimuscarinic with an opioid, and with glycopyrronium the anticholinergic and constipating effects add up. Urinary retention, severe constipation and paralytic ileus can result.
How serious is the interaction between Belladonna and opium 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: Monitor bowel function and urinary output, and avoid the combination in patients with ileus risk or urinary obstruction.
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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