Drug interactions
Dasatinib + Fesoterodine
Severity: Minor
Dasatinib and Fesoterodine: 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
Dasatinib is a weak CYP3A4 inhibitor and its effect on fesoterodine's active metabolite is likely small. Any increase in exposure would be expected to be modest.
What this interaction means in plain words
Dasatinib and Fesoterodine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Dasatinib belongs to Oncology; Fesoterodine belongs to Genitourinary.
Why it happens
Weak inhibition of CYP3A4 may slightly reduce clearance of the active fesoterodine metabolite.
What to do
No routine adjustment is needed; watch for increased anticholinergic effects.
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 Fesoterodine
Other interactions of Dasatinib
- Dasatinib + Saquinavir Contraindicated
- Dasatinib + Thioridazine Contraindicated
- Adagrasib + Dasatinib Major
- Amiodarone + Dasatinib Major
- Amisulpride + Dasatinib Major
- Amitriptyline + Dasatinib Major
Frequently asked questions
Can I take Dasatinib with Fesoterodine?
MediHelp rates the interaction as minor. Dasatinib and Fesoterodine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Dasatinib is a weak CYP3A4 inhibitor and its effect on fesoterodine's active metabolite is likely small. Any increase in exposure would be expected to be modest.
How serious is the interaction between Dasatinib and Fesoterodine?
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 adjustment is needed; watch for increased anticholinergic effects.
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.
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