Drug interactions
Oxybutynin transdermal + Ziprasidone
Severity: Minor
Oxybutynin transdermal and Ziprasidone: 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 have some anticholinergic activity, so combined use may increase dry mouth, constipation, urinary retention and confusion. Transdermal oxybutynin has lower systemic exposure than oral oxybutynin, so the effect is usually small.
What this interaction means in plain words
Oxybutynin transdermal and Ziprasidone 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
Additive antimuscarinic effects.
What to do
Monitor for anticholinergic symptoms and cognitive effects, especially in older adults. Reduce or stop one drug if symptoms appear.
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 Ziprasidone
- Amiodarone + Ziprasidone Contraindicated
- Amitriptyline + Ziprasidone Contraindicated
- Arsenic trioxide + Ziprasidone Contraindicated
- Bedaquiline + Ziprasidone Contraindicated
- Chloroquine + Ziprasidone Contraindicated
- Citalopram + Ziprasidone Contraindicated
Frequently asked questions
Can I take Oxybutynin transdermal with Ziprasidone?
MediHelp rates the interaction as minor. Oxybutynin transdermal and Ziprasidone 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 have some anticholinergic activity, so combined use may increase dry mouth, constipation, urinary retention and confusion. Transdermal oxybutynin has lower systemic exposure than oral oxybutynin, so the effect is usually small.
How serious is the interaction between Oxybutynin transdermal and Ziprasidone?
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 and cognitive effects, especially in older adults. Reduce or stop one drug if symptoms appear.
What other medicines interact with Ziprasidone?
MediHelp also lists interactions of Ziprasidone with, for example, Amiodarone, Amitriptyline, Arsenic trioxide. The full list is on the Ziprasidone page.
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