Drug interactions
Ciprofloxacin + Lumefantrine
Severity: Moderate
Ciprofloxacin and Lumefantrine: 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
Lumefantrine can prolong the QT interval, and ciprofloxacin may contribute a small additional effect. The combination warrants caution in patients with other arrhythmia risk factors.
What this interaction means in plain words
Ciprofloxacin and Lumefantrine 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.
Why it happens
Additive QT prolongation through effects on cardiac repolarisation.
What to do
Check baseline ECG and electrolytes in patients with cardiac risk factors and avoid combining where an alternative antibiotic is suitable. Monitor for palpitations or syncope.
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 Ciprofloxacin and Lumefantrine, 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 7 days on the web. No card needed.
Other interactions of Ciprofloxacin
- Agomelatine + Ciprofloxacin Contraindicated
- Ciprofloxacin + Fezolinetant Contraindicated
- Ciprofloxacin + Thioridazine Contraindicated
- Ciprofloxacin + Tizanidine Contraindicated
- Ciprofloxacin + Vandetanib Contraindicated
- Alosetron + Ciprofloxacin Major
Frequently asked questions
Can I take Ciprofloxacin with Lumefantrine?
MediHelp rates the interaction as moderate. Ciprofloxacin and Lumefantrine 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. Lumefantrine can prolong the QT interval, and ciprofloxacin may contribute a small additional effect. The combination warrants caution in patients with other arrhythmia risk factors.
How serious is the interaction between Ciprofloxacin and Lumefantrine?
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 baseline ECG and electrolytes in patients with cardiac risk factors and avoid combining where an alternative antibiotic is suitable. Monitor for palpitations or syncope.
What other medicines interact with Ciprofloxacin?
MediHelp also lists interactions of Ciprofloxacin with, for example, Agomelatine, Fezolinetant, Thioridazine. The full list is on the Ciprofloxacin 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.
