Drug interactions
Gemifloxacin + Loperamide
Severity: Moderate
Gemifloxacin and Loperamide: 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 prolongs the QT interval, and loperamide at high doses can do the same. The combination may increase the risk of torsades de pointes.
What this interaction means in plain words
Gemifloxacin and Loperamide 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; Loperamide belongs to Gastrointestinal Tract.
Why it happens
Additive QT prolongation.
What to do
Keep loperamide at labeled doses and consider ECG monitoring. Correct hypokalemia and hypomagnesemia.
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 Loperamide
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 Loperamide?
MediHelp rates the interaction as moderate. Gemifloxacin and Loperamide 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 prolongs the QT interval, and loperamide at high doses can do the same. The combination may increase the risk of torsades de pointes.
How serious is the interaction between Gemifloxacin and Loperamide?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Keep loperamide at labeled doses and consider ECG monitoring. Correct hypokalemia and hypomagnesemia.
What other medicines interact with Loperamide?
MediHelp also lists interactions of Loperamide with, for example, Amiodarone, Amisulpride, Anagrelide. The full list is on the Loperamide page.
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