Drug interactions
Fexinidazole + Sevoflurane
Severity: Major
Fexinidazole and Sevoflurane: major 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
Fexinidazole can prolong the QT interval and its labeling advises avoiding other QT-prolonging drugs. Sevoflurane adds to this effect, raising the risk of torsades de pointes.
What this interaction means in plain words
Fexinidazole and Sevoflurane can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Why it happens
Additive QT prolongation.
What to do
Avoid the combination where possible, and delay elective anesthesia until fexinidazole treatment ends. If unavoidable, correct electrolytes and monitor the ECG continuously.
What to ask your pharmacist
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
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Other interactions of Sevoflurane
Frequently asked questions
Can I take Fexinidazole with Sevoflurane?
MediHelp rates the interaction as major. Fexinidazole and Sevoflurane can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Fexinidazole can prolong the QT interval and its labeling advises avoiding other QT-prolonging drugs. Sevoflurane adds to this effect, raising the risk of torsades de pointes.
How serious is the interaction between Fexinidazole and Sevoflurane?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid the combination where possible, and delay elective anesthesia until fexinidazole treatment ends. If unavoidable, correct electrolytes and monitor the ECG continuously.
What other medicines interact with Sevoflurane?
MediHelp also lists interactions of Sevoflurane with, for example, Amiodarone, Amisulpride, Arsenic trioxide. The full list is on the Sevoflurane page.
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