Drug interactions
Maprotiline + Methscopolamine
Severity: Moderate
Maprotiline and Methscopolamine: 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
Methscopolamine is a quaternary antimuscarinic and maprotiline has anticholinergic activity. Combined, they may worsen dry mouth, constipation, urinary retention, blurred vision and tachycardia.
What this interaction means in plain words
Maprotiline and Methscopolamine 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 peripheral muscarinic receptor antagonism.
What to do
Monitor for urinary retention, constipation and visual symptoms, especially in older patients. Reduce doses or use an alternative if anticholinergic burden becomes troublesome.
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 Methscopolamine?
MediHelp rates the interaction as moderate. Maprotiline and Methscopolamine 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. Methscopolamine is a quaternary antimuscarinic and maprotiline has anticholinergic activity. Combined, they may worsen dry mouth, constipation, urinary retention, blurred vision and tachycardia.
How serious is the interaction between Maprotiline and Methscopolamine?
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 urinary retention, constipation and visual symptoms, especially in older patients. Reduce doses or use an alternative if anticholinergic burden becomes troublesome.
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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