Drug interactions
Gemifloxacin + Isoflurane
Severity: Moderate
Gemifloxacin and Isoflurane: 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
Isoflurane can prolong the QT interval, and gemifloxacin may add to this during anesthesia. Together they may increase the risk of perioperative ventricular arrhythmias.
What this interaction means in plain words
Gemifloxacin and Isoflurane 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; Isoflurane belongs to Central Nervous System.
Why it happens
Additive prolongation of ventricular repolarization.
What to do
Inform the anesthesia team of gemifloxacin use and consider an alternative antibiotic. Monitor the ECG intraoperatively and maintain normal electrolytes.
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 Gemifloxacin
- Arsenic trioxide + Gemifloxacin Contraindicated
- Dofetilide + Gemifloxacin Contraindicated
- Gemifloxacin + Ibutilide Contraindicated
- Gemifloxacin + Pimozide Contraindicated
- Gemifloxacin + Thioridazine Contraindicated
- Gemifloxacin + Vandetanib Contraindicated
Other interactions of Isoflurane
Frequently asked questions
Can I take Gemifloxacin with Isoflurane?
MediHelp rates the interaction as moderate. Gemifloxacin and Isoflurane 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. Isoflurane can prolong the QT interval, and gemifloxacin may add to this during anesthesia. Together they may increase the risk of perioperative ventricular arrhythmias.
How serious is the interaction between Gemifloxacin and Isoflurane?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Inform the anesthesia team of gemifloxacin use and consider an alternative antibiotic. Monitor the ECG intraoperatively and maintain normal electrolytes.
What other medicines interact with Gemifloxacin?
MediHelp also lists interactions of Gemifloxacin with, for example, Arsenic trioxide, Dofetilide, Ibutilide. The full list is on the Gemifloxacin page.
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