Drug interactions
Darifenacin + Miconazole vaginal
Severity: Minor
Darifenacin and Miconazole vaginal: 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
Miconazole is a CYP3A4 inhibitor and can raise darifenacin exposure if enough is absorbed from the vaginal route. Systemic absorption is low, so the effect is usually small, but anticholinergic adverse effects could increase.
What this interaction means in plain words
Darifenacin and Miconazole vaginal 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
Inhibition of CYP3A4-mediated darifenacin metabolism by absorbed miconazole.
What to do
No routine dose change is needed; watch for increased anticholinergic effects such as dry mouth and constipation during prolonged or repeated miconazole use.
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
Frequently asked questions
Can I take Darifenacin with Miconazole vaginal?
MediHelp rates the interaction as minor. Darifenacin and Miconazole vaginal have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Miconazole is a CYP3A4 inhibitor and can raise darifenacin exposure if enough is absorbed from the vaginal route. Systemic absorption is low, so the effect is usually small, but anticholinergic adverse effects could increase.
How serious is the interaction between Darifenacin and Miconazole vaginal?
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 routine dose change is needed; watch for increased anticholinergic effects such as dry mouth and constipation during prolonged or repeated miconazole use.
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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