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Drug interactions

Entrectinib + Isoflurane

Severity: Moderate

Entrectinib 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

Entrectinib can prolong the QT interval, and isoflurane can add to repolarization delay. The combination may increase the chance of ventricular arrhythmia.

What this interaction means in plain words

Entrectinib 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.

Entrectinib belongs to Oncology; Isoflurane belongs to Central Nervous System.

Evidence level: Low

Why it happens

Additive QT interval prolongation.

What to do

Check ECG and correct electrolytes before anesthesia. Monitor the ECG continuously during and after the procedure.

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 Entrectinib with Isoflurane?

MediHelp rates the interaction as moderate. Entrectinib 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. Entrectinib can prolong the QT interval, and isoflurane can add to repolarization delay. The combination may increase the chance of ventricular arrhythmia.

How serious is the interaction between Entrectinib 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: Check ECG and correct electrolytes before anesthesia. Monitor the ECG continuously during and after the procedure.

What other medicines interact with Isoflurane?

MediHelp also lists interactions of Isoflurane with, for example, Adrenaline-articaine, Amisulpride, Arsenic trioxide. The full list is on the Isoflurane 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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