Drug interactions
Ciprofloxacin + Isoflurane
Severity: Moderate
Ciprofloxacin 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
Both agents can prolong the QT interval, so combined perioperative use may increase the risk of torsades de pointes. The risk is greater with electrolyte abnormalities or other QT-prolonging drugs.
What this interaction means in plain words
Ciprofloxacin 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.
Ciprofloxacin belongs to Anti Bacterial; Isoflurane belongs to Central Nervous System.
Why it happens
Additive QT prolongation through effects on cardiac repolarization.
What to do
Correct potassium and magnesium before surgery and monitor the ECG during anesthesia. Review other QT-prolonging drugs the patient is taking.
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 Isoflurane, 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
Other interactions of Isoflurane
Frequently asked questions
Can I take Ciprofloxacin with Isoflurane?
MediHelp rates the interaction as moderate. Ciprofloxacin 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. Both agents can prolong the QT interval, so combined perioperative use may increase the risk of torsades de pointes. The risk is greater with electrolyte abnormalities or other QT-prolonging drugs.
How serious is the interaction between Ciprofloxacin 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: Correct potassium and magnesium before surgery and monitor the ECG during anesthesia. Review other QT-prolonging drugs the patient is taking.
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.
