Drug interactions
Mefloquine + Tiotropium-olodaterol
Severity: Moderate
Mefloquine 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
Mefloquine can alter cardiac conduction and prolong the QT interval, and olodaterol may add to arrhythmic risk via hypokalemia and sympathetic stimulation. The combination warrants caution in patients with cardiac disease.
What this interaction means in plain words
Mefloquine 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.
Mefloquine belongs to Anti Parasitic; Tiotropium-olodaterol belongs to Respiratory.
Why it happens
Additive QT prolongation and beta2-agonist cardiac stimulation.
What to do
Correct electrolyte abnormalities and consider an ECG in patients with cardiac risk factors. Choose another antimalarial if QT risk is high.
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 Mefloquine
- Arsenic trioxide + Mefloquine Contraindicated
- Dronedarone + Mefloquine Contraindicated
- Ibutilide + Mefloquine Contraindicated
- Levoketoconazole + Mefloquine Contraindicated
- Mefloquine + Nilotinib Contraindicated
- Mefloquine + Pimozide Contraindicated
Frequently asked questions
Can I take Mefloquine with Tiotropium-olodaterol?
MediHelp rates the interaction as moderate. Mefloquine 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. Mefloquine can alter cardiac conduction and prolong the QT interval, and olodaterol may add to arrhythmic risk via hypokalemia and sympathetic stimulation. The combination warrants caution in patients with cardiac disease.
How serious is the interaction between Mefloquine 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: Correct electrolyte abnormalities and consider an ECG in patients with cardiac risk factors. Choose another antimalarial if QT 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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