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Drug interactions

Ofloxacin + Sevoflurane

Severity: Moderate

Ofloxacin and Sevoflurane: 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

Sevoflurane can prolong the QT interval during anesthesia, and ofloxacin has similar effects. Together they may increase the perioperative risk of torsades de pointes.

What this interaction means in plain words

Ofloxacin and Sevoflurane 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.

Ofloxacin belongs to Anti Bacterial; Sevoflurane belongs to Central Nervous System.

Evidence level: Low

Why it happens

Additive prolongation of ventricular repolarization.

What to do

Review recent ECG and correct potassium and magnesium before surgery. Monitor ECG during anesthesia and avoid other QT-prolonging drugs.

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?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Ofloxacin with Sevoflurane?

MediHelp rates the interaction as moderate. Ofloxacin and Sevoflurane 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. Sevoflurane can prolong the QT interval during anesthesia, and ofloxacin has similar effects. Together they may increase the perioperative risk of torsades de pointes.

How serious is the interaction between Ofloxacin and Sevoflurane?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Review recent ECG and correct potassium and magnesium before surgery. Monitor ECG during anesthesia and avoid other QT-prolonging drugs.

What other medicines interact with Ofloxacin?

MediHelp also lists interactions of Ofloxacin with, for example, Thioridazine, Adagrasib, Amiodarone. The full list is on the Ofloxacin 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.

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