Drug interactions
Darifenacin + Temsirolimus
Severity: Minor
Darifenacin and Temsirolimus: 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 is not a clinically significant CYP3A4 inhibitor, so a meaningful increase in temsirolimus or its active metabolite sirolimus is unlikely. The interaction is largely theoretical.
What this interaction means in plain words
Darifenacin and Temsirolimus 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; Temsirolimus belongs to Oncology.
Why it happens
Theoretical weak CYP3A4 competition between two substrates.
What to do
No dose adjustment needed; monitor for temsirolimus adverse effects as part of routine care.
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 Temsirolimus
- Bcg vaccine live + Temsirolimus Contraindicated
- Influenza virus vaccine quadrivalent intranasal + Temsirolimus Contraindicated
- Measles mumps and rubella vaccine live + Temsirolimus Contraindicated
- Measles mumps rubella and varicella vaccine live + Temsirolimus Contraindicated
- Measles vaccine + Temsirolimus Contraindicated
- Rotavirus oral vaccine live + Temsirolimus Contraindicated
Frequently asked questions
Can I take Darifenacin with Temsirolimus?
MediHelp rates the interaction as minor. Darifenacin and Temsirolimus 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 is not a clinically significant CYP3A4 inhibitor, so a meaningful increase in temsirolimus or its active metabolite sirolimus is unlikely. The interaction is largely theoretical.
How serious is the interaction between Darifenacin and Temsirolimus?
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 needed; monitor for temsirolimus adverse effects as part of routine care.
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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