Drug interactions
Tiotropium-olodaterol + Trimipramine
Severity: Major
Tiotropium-olodaterol and Trimipramine: major 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
Tricyclic antidepressants like trimipramine can potentiate cardiovascular effects of beta2 agonists and prolong the QT interval. This raises the risk of tachycardia and ventricular arrhythmias. Trimipramine also has anticholinergic effects additive to tiotropium.
What this interaction means in plain words
Tiotropium-olodaterol and Trimipramine can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Tiotropium-olodaterol belongs to Respiratory; Trimipramine belongs to Central Nervous System.
Why it happens
Additive effects on cardiac repolarization and adrenergic stimulation, plus additive antimuscarinic effects.
What to do
Monitor ECG, heart rate and potassium; consider alternatives if arrhythmia risk is high.
What to ask your pharmacist
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
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Other interactions of Tiotropium-olodaterol
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 Tiotropium-olodaterol with Trimipramine?
MediHelp rates the interaction as major. Tiotropium-olodaterol and Trimipramine can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Tricyclic antidepressants like trimipramine can potentiate cardiovascular effects of beta2 agonists and prolong the QT interval. This raises the risk of tachycardia and ventricular arrhythmias. Trimipramine also has anticholinergic effects additive to tiotropium.
How serious is the interaction between Tiotropium-olodaterol and Trimipramine?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor ECG, heart rate and potassium; consider alternatives if arrhythmia risk is high.
What other medicines interact with Tiotropium-olodaterol?
MediHelp also lists interactions of Tiotropium-olodaterol with, for example, Amisulpride, Arformoterol, Arsenic trioxide. The full list is on the Tiotropium-olodaterol page.
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