Drug interactions
Maprotiline + Oxybutynin transdermal
Severity: Moderate
Maprotiline 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
Oxybutynin is an antimuscarinic and maprotiline has anticholinergic properties. Even by the transdermal route, systemic exposure is sufficient to add to dry mouth, constipation, urinary retention, blurred vision and cognitive effects. Older patients are most susceptible.
What this interaction means in plain words
Maprotiline 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 effects at peripheral and central muscarinic receptors.
What to do
Monitor for anticholinergic adverse effects and cognitive changes, and reassess the need for both agents in older adults. Consider a non-anticholinergic bladder treatment 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 Maprotiline
- Arsenic trioxide + Maprotiline Contraindicated
- Disopyramide + Maprotiline Contraindicated
- Dofetilide + Maprotiline Contraindicated
- Ibutilide + Maprotiline Contraindicated
- Isocarboxazid + Maprotiline Contraindicated
- Maprotiline + Methylene blue Contraindicated
Frequently asked questions
Can I take Maprotiline with Oxybutynin transdermal?
MediHelp rates the interaction as moderate. Maprotiline 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. Oxybutynin is an antimuscarinic and maprotiline has anticholinergic properties. Even by the transdermal route, systemic exposure is sufficient to add to dry mouth, constipation, urinary retention, blurred vision and cognitive effects. Older patients are most susceptible.
How serious is the interaction between Maprotiline 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 and cognitive changes, and reassess the need for both agents in older adults. Consider a non-anticholinergic bladder treatment if symptoms develop.
What other medicines interact with Maprotiline?
MediHelp also lists interactions of Maprotiline with, for example, Arsenic trioxide, Disopyramide, Dofetilide. The full list is on the Maprotiline page.
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