Drug interactions
Glycopyrronium + Trifluoperazine
Severity: Minor
Glycopyrronium and Trifluoperazine: minor 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
Trifluoperazine has weak antimuscarinic activity, so combining it with glycopyrronium may modestly increase anticholinergic effects. Constipation, dry mouth, urinary retention and tachycardia can occur, particularly in elderly patients.
What this interaction means in plain words
Glycopyrronium and Trifluoperazine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Why it happens
Additive muscarinic receptor blockade.
What to do
Monitor for urinary retention, constipation and reduced sweating. Adjust the dose of either drug if symptoms appear.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
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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 Trifluoperazine?
MediHelp rates the interaction as minor. Glycopyrronium and Trifluoperazine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Trifluoperazine has weak antimuscarinic activity, so combining it with glycopyrronium may modestly increase anticholinergic effects. Constipation, dry mouth, urinary retention and tachycardia can occur, particularly in elderly patients.
How serious is the interaction between Glycopyrronium and Trifluoperazine?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor for urinary retention, constipation and reduced sweating. Adjust the dose of either drug if symptoms appear.
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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