Drug interactions
Gemifloxacin + Sertraline
Severity: Moderate
Gemifloxacin and Sertraline: 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
Sertraline has a small QT-prolonging effect, and gemifloxacin can add to it. The combined risk of arrhythmia is generally low but may matter in patients with other risk factors.
What this interaction means in plain words
Gemifloxacin and Sertraline 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; Sertraline belongs to Central Nervous System.
Why it happens
Additive pharmacodynamic QT prolongation.
What to do
Check a baseline ECG when other QT risk factors are present and correct electrolyte abnormalities. Consider an alternative antibiotic if the QTc is prolonged.
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 Sertraline
- Isocarboxazid + Sertraline Contraindicated
- Methylene blue + Sertraline Contraindicated
- Phenelzine + Sertraline Contraindicated
- Pimozide + Sertraline Contraindicated
- Selegiline transdermal + Sertraline Contraindicated
- Selegiline + Sertraline Contraindicated
Frequently asked questions
Can I take Gemifloxacin with Sertraline?
MediHelp rates the interaction as moderate. Gemifloxacin and Sertraline 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. Sertraline has a small QT-prolonging effect, and gemifloxacin can add to it. The combined risk of arrhythmia is generally low but may matter in patients with other risk factors.
How serious is the interaction between Gemifloxacin and Sertraline?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Check a baseline ECG when other QT risk factors are present and correct electrolyte abnormalities. Consider an alternative antibiotic if the QTc is prolonged.
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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