Drug interactions
Tiotropium + Trifluoperazine
Severity: Minor
Tiotropium 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 relatively weak anticholinergic effects but may add modestly to those of tiotropium. Dry mouth, constipation and urinary retention may occur, mainly in vulnerable patients.
What this interaction means in plain words
Tiotropium 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
Weak additive antimuscarinic effects.
What to do
Monitor for anticholinergic symptoms in older patients or those with glaucoma or prostatic hypertrophy. No routine dose adjustment is needed.
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 Tiotropium
Frequently asked questions
Can I take Tiotropium with Trifluoperazine?
MediHelp rates the interaction as minor. Tiotropium 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 relatively weak anticholinergic effects but may add modestly to those of tiotropium. Dry mouth, constipation and urinary retention may occur, mainly in vulnerable patients.
How serious is the interaction between Tiotropium 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 anticholinergic symptoms in older patients or those with glaucoma or prostatic hypertrophy. No routine dose adjustment is needed.
What other medicines interact with Tiotropium?
MediHelp also lists interactions of Tiotropium with, for example, Glycopyrrolate inhaled, Indacaterol-glycopyrronium, Revefenacin. The full list is on the Tiotropium page.
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