Drug interactions
Octreotide + Vemurafenib
Severity: Moderate
Octreotide 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 causes concentration-dependent QT prolongation. Octreotide can contribute bradycardia and conduction effects, which may increase the risk of serious arrhythmia.
What this interaction means in plain words
Octreotide 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.
Octreotide belongs to Endocrine; Vemurafenib belongs to Oncology.
Why it happens
Additive pharmacodynamic QT prolongation.
What to do
Perform ECG and electrolyte checks at baseline and periodically during co-treatment. Interrupt or reduce vemurafenib per labeling if 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
Other interactions of Vemurafenib
Frequently asked questions
Can I take Octreotide with Vemurafenib?
MediHelp rates the interaction as moderate. Octreotide 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 causes concentration-dependent QT prolongation. Octreotide can contribute bradycardia and conduction effects, which may increase the risk of serious arrhythmia.
How serious is the interaction between Octreotide 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: Perform ECG and electrolyte checks at baseline and periodically during co-treatment. Interrupt or reduce vemurafenib per labeling if 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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