Drug interactions
Gemifloxacin + Tiotropium-olodaterol
Severity: Moderate
Gemifloxacin 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
Gemifloxacin can prolong the QT interval. Olodaterol may add to this effect and lower potassium, increasing arrhythmia risk in susceptible patients.
What this interaction means in plain words
Gemifloxacin 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.
Gemifloxacin belongs to Anti Bacterial; Tiotropium-olodaterol belongs to Respiratory.
Why it happens
Additive QT prolongation with beta2-mediated hypokalemia.
What to do
Correct hypokalemia before and during therapy and monitor ECG in patients with cardiac risk factors. Consider a non-QT-prolonging antibiotic when possible.
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 Gemifloxacin
- Arsenic trioxide + Gemifloxacin Contraindicated
- Dofetilide + Gemifloxacin Contraindicated
- Gemifloxacin + Ibutilide Contraindicated
- Gemifloxacin + Pimozide Contraindicated
- Gemifloxacin + Thioridazine Contraindicated
- Gemifloxacin + Vandetanib Contraindicated
Frequently asked questions
Can I take Gemifloxacin with Tiotropium-olodaterol?
MediHelp rates the interaction as moderate. Gemifloxacin 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. Gemifloxacin can prolong the QT interval. Olodaterol may add to this effect and lower potassium, increasing arrhythmia risk in susceptible patients.
How serious is the interaction between Gemifloxacin 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 hypokalemia before and during therapy and monitor ECG in patients with cardiac risk factors. Consider a non-QT-prolonging antibiotic when possible.
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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