Drug interactions
Fluticasone-salmeterol + Gemifloxacin
Severity: Moderate
Fluticasone-salmeterol and Gemifloxacin: 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 and salmeterol may add a small effect, raising the risk of torsades de pointes in susceptible patients. Beta-agonist hypokalemia can further increase this risk.
What this interaction means in plain words
Fluticasone-salmeterol and Gemifloxacin 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.
Fluticasone-salmeterol belongs to Respiratory; Gemifloxacin belongs to Anti Bacterial.
Why it happens
Additive QT prolongation with possible potentiation by beta-agonist-induced hypokalemia.
What to do
Correct potassium and magnesium and obtain an ECG in patients with other QT risk factors. Consider a non-QT-prolonging antibiotic if 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 Fluticasone-salmeterol
- Darunavir + Fluticasone-salmeterol Contraindicated
- Elvitegravir / cobicistat / emtricitabine / tenofovir df + Fluticasone-salmeterol Contraindicated
- Fluticasone-salmeterol + Fosamprenavir Contraindicated
- Fluticasone-salmeterol + Indinavir Contraindicated
- Fluticasone-salmeterol + Lopinavir Contraindicated
- Fluticasone-salmeterol + Nelfinavir Contraindicated
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 Fluticasone-salmeterol with Gemifloxacin?
MediHelp rates the interaction as moderate. Fluticasone-salmeterol and Gemifloxacin 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 and salmeterol may add a small effect, raising the risk of torsades de pointes in susceptible patients. Beta-agonist hypokalemia can further increase this risk.
How serious is the interaction between Fluticasone-salmeterol and Gemifloxacin?
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 potassium and magnesium and obtain an ECG in patients with other QT risk factors. Consider a non-QT-prolonging antibiotic if risk is high.
What other medicines interact with Fluticasone-salmeterol?
MediHelp also lists interactions of Fluticasone-salmeterol with, for example, Darunavir, Elvitegravir / cobicistat / emtricitabine / tenofovir df, Fosamprenavir. The full list is on the Fluticasone-salmeterol page.
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