Drug interactions
Darifenacin + Pazopanib
Severity: Minor
Darifenacin and Pazopanib: 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
Darifenacin does not significantly inhibit CYP3A4, so a meaningful rise in pazopanib exposure is not expected. Pazopanib's effect on darifenacin is also unestablished.
What this interaction means in plain words
Darifenacin and Pazopanib have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Darifenacin belongs to Genitourinary; Pazopanib belongs to Oncology.
Why it happens
No established mechanism; darifenacin is not a relevant CYP3A4 inhibitor.
What to do
No dose adjustment is needed; continue routine pazopanib monitoring of liver tests and blood pressure.
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 Darifenacin
Other interactions of Pazopanib
- Adagrasib + Pazopanib Major
- Amiodarone + Pazopanib Major
- Amisulpride + Pazopanib Major
- Amobarbital + Pazopanib Major
- Anagrelide + Pazopanib Major
- Apalutamide + Pazopanib Major
Frequently asked questions
Can I take Darifenacin with Pazopanib?
MediHelp rates the interaction as minor. Darifenacin and Pazopanib have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Darifenacin does not significantly inhibit CYP3A4, so a meaningful rise in pazopanib exposure is not expected. Pazopanib's effect on darifenacin is also unestablished.
How serious is the interaction between Darifenacin and Pazopanib?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No dose adjustment is needed; continue routine pazopanib monitoring of liver tests and blood pressure.
What other medicines interact with Darifenacin?
MediHelp also lists interactions of Darifenacin with, for example, Atazanavir, Bethanechol, Clarithromycin. The full list is on the Darifenacin page.
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