Drug interactions
Propafenone + Tiotropium-olodaterol
Severity: Moderate
Propafenone and Tiotropium-olodaterol: 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
Propafenone can prolong QRS and QT intervals and has beta-blocking activity. With olodaterol it may raise arrhythmia risk through hypokalemia and sympathetic stimulation, and the beta-blocking effect may reduce bronchodilation.
What this interaction means in plain words
Propafenone and Tiotropium-olodaterol 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.
Propafenone belongs to Cardiovascular; Tiotropium-olodaterol belongs to Respiratory.
Why it happens
Additive proarrhythmic effects plus partial beta-adrenergic antagonism opposing olodaterol.
What to do
Monitor ECG and potassium, and watch for reduced bronchodilator response or bronchospasm. Consider an alternative antiarrhythmic if respiratory control worsens.
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 Tiotropium-olodaterol
Other interactions of Propafenone
- Dofetilide + Propafenone Contraindicated
- Dronedarone + Propafenone Contraindicated
- Nilotinib + Propafenone Contraindicated
- Nirmatrelvir / ritonavir + Propafenone Contraindicated
- Nirmatrelvir + Propafenone Contraindicated
- Pimozide + Propafenone Contraindicated
Frequently asked questions
Can I take Propafenone with Tiotropium-olodaterol?
MediHelp rates the interaction as moderate. Propafenone and Tiotropium-olodaterol 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. Propafenone can prolong QRS and QT intervals and has beta-blocking activity. With olodaterol it may raise arrhythmia risk through hypokalemia and sympathetic stimulation, and the beta-blocking effect may reduce bronchodilation.
How serious is the interaction between Propafenone and Tiotropium-olodaterol?
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 ECG and potassium, and watch for reduced bronchodilator response or bronchospasm. Consider an alternative antiarrhythmic if respiratory control worsens.
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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