Drug interactions
Aripiprazole + Fesoterodine
Severity: Minor
Aripiprazole 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
Both drugs can have anticholinergic effects, and combined use may add to constipation, dry mouth and urinary retention. Aripiprazole has little muscarinic activity, so the effect is usually modest.
What this interaction means in plain words
Aripiprazole 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.
Aripiprazole belongs to Central Nervous System; Fesoterodine belongs to Genitourinary.
Why it happens
Minor additive anticholinergic effects; no established pharmacokinetic interaction.
What to do
Monitor for anticholinergic symptoms, particularly in older patients.
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 Aripiprazole
- Aripiprazole + Pimozide Contraindicated
- Aripiprazole + Thioridazine Contraindicated
- Amisulpride + Aripiprazole Major
- Aripiprazole + Arsenic trioxide Major
- Aripiprazole + Calcium / magnesium / potassium / sodium oxybates Major
- Aripiprazole + Carbamazepine Major
Frequently asked questions
Can I take Aripiprazole with Fesoterodine?
MediHelp rates the interaction as minor. Aripiprazole 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. Both drugs can have anticholinergic effects, and combined use may add to constipation, dry mouth and urinary retention. Aripiprazole has little muscarinic activity, so the effect is usually modest.
How serious is the interaction between Aripiprazole 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: Monitor for anticholinergic symptoms, particularly in older patients.
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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