Drug interactions
Isoflurane + Vemurafenib
Severity: Moderate
Isoflurane and Vemurafenib: 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
Vemurafenib can prolong the QT interval, and isoflurane has a similar effect. Together they may increase the risk of ventricular arrhythmias such as torsades de pointes.
What this interaction means in plain words
Isoflurane and Vemurafenib 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.
Isoflurane belongs to Central Nervous System; Vemurafenib belongs to Oncology.
Why it happens
Additive QT prolongation through delayed cardiac repolarization.
What to do
Check a baseline ECG and correct electrolyte abnormalities before surgery. Monitor the ECG perioperatively.
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?
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Other interactions of Isoflurane
Other interactions of Vemurafenib
Frequently asked questions
Can I take Isoflurane with Vemurafenib?
MediHelp rates the interaction as moderate. Isoflurane and Vemurafenib 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. Vemurafenib can prolong the QT interval, and isoflurane has a similar effect. Together they may increase the risk of ventricular arrhythmias such as torsades de pointes.
How serious is the interaction between Isoflurane and Vemurafenib?
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 a baseline ECG and correct electrolyte abnormalities before surgery. Monitor the ECG perioperatively.
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.
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