Drug interactions
Desipramine + Oxybutynin transdermal
Severity: Moderate
Desipramine and Oxybutynin transdermal: moderate 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
Desipramine has strong anticholinergic properties and oxybutynin is an antimuscarinic, so combined use can add to dry mouth, constipation, urinary retention, blurred vision and confusion. Systemic exposure from the transdermal patch is lower than with oral oxybutynin but still contributes to the burden, especially in older adults.
What this interaction means in plain words
Desipramine and Oxybutynin transdermal can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Why it happens
Additive antimuscarinic (anticholinergic) effects at peripheral and central receptors.
What to do
Monitor for anticholinergic adverse effects, especially urinary retention, constipation and cognitive changes in older patients. Reduce doses or choose a less anticholinergic alternative if symptoms develop.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
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Other interactions of Desipramine
- Desipramine + Disopyramide Contraindicated
- Desipramine + Dofetilide Contraindicated
- Desipramine + Ibutilide Contraindicated
- Desipramine + Isocarboxazid Contraindicated
- Desipramine + Methylene blue Contraindicated
- Desipramine + Pentamidine Contraindicated
Frequently asked questions
Can I take Desipramine with Oxybutynin transdermal?
MediHelp rates the interaction as moderate. Desipramine and Oxybutynin transdermal can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Desipramine has strong anticholinergic properties and oxybutynin is an antimuscarinic, so combined use can add to dry mouth, constipation, urinary retention, blurred vision and confusion. Systemic exposure from the transdermal patch is lower than with oral oxybutynin but still contributes to the burden, especially in older adults.
How serious is the interaction between Desipramine and Oxybutynin transdermal?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor for anticholinergic adverse effects, especially urinary retention, constipation and cognitive changes in older patients. Reduce doses or choose a less anticholinergic alternative if symptoms develop.
What other medicines interact with Desipramine?
MediHelp also lists interactions of Desipramine with, for example, Disopyramide, Dofetilide, Ibutilide. The full list is on the Desipramine page.
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