Drug interactions
Fesoterodine + Miconazole vaginal
Severity: Minor
Fesoterodine 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
Vaginal miconazole has limited systemic absorption, though it can inhibit CYP3A4 to some degree. A clinically relevant increase in fesoterodine exposure is unlikely at usual doses.
What this interaction means in plain words
Fesoterodine 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
Possible weak CYP3A4 inhibition by absorbed miconazole, reducing metabolite clearance.
What to do
No dose adjustment is needed; be aware of increased antimuscarinic effects if prolonged or high-dose vaginal therapy is used.
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?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Fesoterodine and Miconazole vaginal, the additional notes, the evidence detail and the whole-prescription interaction checker.
- Full clinical management advice
- Additional notes
- Evidence detail
- Interaction checker for a whole prescription
Try Pro+ free for 14 days on the web. No card needed.
Other interactions of Fesoterodine
Frequently asked questions
Can I take Fesoterodine with Miconazole vaginal?
MediHelp rates the interaction as minor. Fesoterodine 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. Vaginal miconazole has limited systemic absorption, though it can inhibit CYP3A4 to some degree. A clinically relevant increase in fesoterodine exposure is unlikely at usual doses.
How serious is the interaction between Fesoterodine 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 dose adjustment is needed; be aware of increased antimuscarinic effects if prolonged or high-dose vaginal therapy is used.
What other medicines interact with Fesoterodine?
MediHelp also lists interactions of Fesoterodine with, for example, Bethanechol, Clozapine, Levoketoconazole. The full list is on the Fesoterodine page.
Full monographs, dosing and an interaction checker in the MediHelp app
Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.
