Drug interactions
Lumefantrine + Sorafenib
Severity: Moderate
Lumefantrine and Sorafenib: 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 drugs can prolong the QT interval, so combined use may raise the risk of torsades de pointes. Risk is greater with electrolyte disturbances or other QT-prolonging drugs.
What this interaction means in plain words
Lumefantrine and Sorafenib 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.
Why it happens
Additive QT prolongation through pharmacodynamic effects.
What to do
Obtain a baseline ECG and correct hypokalemia and hypomagnesemia. Repeat ECG monitoring during the antimalarial course.
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 Sorafenib
Frequently asked questions
Can I take Lumefantrine with Sorafenib?
MediHelp rates the interaction as moderate. Lumefantrine and Sorafenib 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 drugs can prolong the QT interval, so combined use may raise the risk of torsades de pointes. Risk is greater with electrolyte disturbances or other QT-prolonging drugs.
How serious is the interaction between Lumefantrine and Sorafenib?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Obtain a baseline ECG and correct hypokalemia and hypomagnesemia. Repeat ECG monitoring during the antimalarial course.
What other medicines interact with Sorafenib?
MediHelp also lists interactions of Sorafenib with, for example, Adagrasib, Amiodarone, Amisulpride. The full list is on the Sorafenib page.
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