Drug interactions
Flecainide + Octreotide
Severity: Moderate
Flecainide 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
Octreotide can cause bradycardia and QT prolongation, which may add to the proarrhythmic and conduction effects of flecainide. The risk is higher with structural heart disease or electrolyte disturbance.
What this interaction means in plain words
Flecainide 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.
Flecainide belongs to Cardiovascular; Octreotide belongs to Endocrine.
Why it happens
Additive effects on cardiac conduction and repolarization, including octreotide-related bradycardia.
What to do
Monitor ECG and heart rate when starting or adjusting octreotide and correct potassium and magnesium abnormalities.
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 Flecainide
- Flecainide + Nirmatrelvir Contraindicated
- Flecainide + Nirmatrelvir / ritonavir Contraindicated
- Flecainide + Pimozide Contraindicated
- Flecainide + Ritonavir Contraindicated
- Flecainide + Thioridazine Contraindicated
- Flecainide + Tipranavir Contraindicated
Other interactions of Octreotide
Frequently asked questions
Can I take Flecainide with Octreotide?
MediHelp rates the interaction as moderate. Flecainide 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. Octreotide can cause bradycardia and QT prolongation, which may add to the proarrhythmic and conduction effects of flecainide. The risk is higher with structural heart disease or electrolyte disturbance.
How serious is the interaction between Flecainide 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: Monitor ECG and heart rate when starting or adjusting octreotide and correct potassium and magnesium abnormalities.
What other medicines interact with Flecainide?
MediHelp also lists interactions of Flecainide with, for example, Nirmatrelvir, Nirmatrelvir / ritonavir, Pimozide. The full list is on the Flecainide page.
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