Drug interactions
Gemifloxacin + Trimipramine
Severity: Moderate
Gemifloxacin and Trimipramine: 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
Both drugs can prolong the QTc interval, so using them together may add to the risk of ventricular arrhythmias including torsades de pointes. The risk is higher with electrolyte disturbance, bradycardia or underlying heart disease.
What this interaction means in plain words
Gemifloxacin and Trimipramine 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; Trimipramine belongs to Central Nervous System.
Why it happens
Additive blockade of cardiac potassium channels (hERG) leading to delayed repolarisation.
What to do
Obtain a baseline ECG and correct hypokalemia and hypomagnesemia before combining. Consider an antibiotic without QT effects if the patient has other risk factors for QT prolongation.
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?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Gemifloxacin and Trimipramine, the additional notes, the evidence detail and the whole-prescription interaction checker.
- Full clinical management advice
- Additional notes
- Evidence detail
- Interaction checker for a whole prescription
Try Pro+ free for 14 days on the web. No card needed.
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 Trimipramine
- Disopyramide + Trimipramine Contraindicated
- Dofetilide + Trimipramine Contraindicated
- Ibutilide + Trimipramine Contraindicated
- Isocarboxazid + Trimipramine Contraindicated
- Pentamidine + Trimipramine Contraindicated
- Phenelzine + Trimipramine Contraindicated
Frequently asked questions
Can I take Gemifloxacin with Trimipramine?
MediHelp rates the interaction as moderate. Gemifloxacin and Trimipramine 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. Both drugs can prolong the QTc interval, so using them together may add to the risk of ventricular arrhythmias including torsades de pointes. The risk is higher with electrolyte disturbance, bradycardia or underlying heart disease.
How serious is the interaction between Gemifloxacin and Trimipramine?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Obtain a baseline ECG and correct hypokalemia and hypomagnesemia before combining. Consider an antibiotic without QT effects if the patient has other risk factors for QT prolongation.
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.
Full monographs, dosing and an interaction checker in the MediHelp app
Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.
