Drug interactions
Methscopolamine + Trimipramine
Severity: Moderate
Methscopolamine and Trimipramine: 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
Trimipramine has substantial antimuscarinic activity, and methscopolamine is a peripherally acting antimuscarinic. Together they add to anticholinergic burden, causing dry mouth, constipation, urinary retention, blurred vision and tachycardia, and in susceptible patients ileus or acute angle-closure glaucoma.
What this interaction means in plain words
Methscopolamine and Trimipramine 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 (pharmacodynamic) effects at muscarinic receptors.
What to do
Monitor for anticholinergic effects such as urinary retention, constipation and visual changes, especially in older adults or those with glaucoma or prostatic hypertrophy. Reduce the dose or choose a non-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 Trimipramine
- Disopyramide + Trimipramine Contraindicated
- Dofetilide + Trimipramine Contraindicated
- Ibutilide + Trimipramine Contraindicated
- Isocarboxazid + Trimipramine Contraindicated
- Pentamidine + Trimipramine Contraindicated
- Phenelzine + Trimipramine Contraindicated
Frequently asked questions
Can I take Methscopolamine with Trimipramine?
MediHelp rates the interaction as moderate. Methscopolamine and Trimipramine 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. Trimipramine has substantial antimuscarinic activity, and methscopolamine is a peripherally acting antimuscarinic. Together they add to anticholinergic burden, causing dry mouth, constipation, urinary retention, blurred vision and tachycardia, and in susceptible patients ileus or acute angle-closure glaucoma.
How serious is the interaction between Methscopolamine and Trimipramine?
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 effects such as urinary retention, constipation and visual changes, especially in older adults or those with glaucoma or prostatic hypertrophy. Reduce the dose or choose a non-anticholinergic alternative if symptoms develop.
What other medicines interact with Trimipramine?
MediHelp also lists interactions of Trimipramine with, for example, Disopyramide, Dofetilide, Ibutilide. The full list is on the Trimipramine page.
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