Drug interactions
Lumefantrine + Octreotide
Severity: Moderate
Lumefantrine and Octreotide: 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
Lumefantrine can prolong the QT interval, and octreotide has been associated with bradycardia and QT prolongation. Used together they may add to the risk of ventricular arrhythmias including torsades de pointes, especially with electrolyte disturbance or bradycardia.
What this interaction means in plain words
Lumefantrine and Octreotide 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 pharmacodynamic QT prolongation, with octreotide-related bradycardia as a possible contributing factor.
What to do
Obtain a baseline ECG and correct potassium and magnesium before starting. Monitor ECG and heart rate during co-treatment, and choose an alternative if the QTc becomes markedly prolonged.
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 Octreotide
Frequently asked questions
Can I take Lumefantrine with Octreotide?
MediHelp rates the interaction as moderate. Lumefantrine and Octreotide 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. Lumefantrine can prolong the QT interval, and octreotide has been associated with bradycardia and QT prolongation. Used together they may add to the risk of ventricular arrhythmias including torsades de pointes, especially with electrolyte disturbance or bradycardia.
How serious is the interaction between Lumefantrine and Octreotide?
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 potassium and magnesium before starting. Monitor ECG and heart rate during co-treatment, and choose an alternative if the QTc becomes markedly prolonged.
What other medicines interact with Octreotide?
MediHelp also lists interactions of Octreotide with, for example, Adagrasib, Amisulpride, Arsenic trioxide. The full list is on the Octreotide page.
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