Drug interactions
Disopyramide + Octreotide
Severity: Major
Disopyramide and Octreotide: 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
Octreotide can cause bradycardia and conduction abnormalities and has been associated with QT prolongation, while disopyramide prolongs QT and can cause torsades de pointes. Combined use may raise arrhythmia risk, especially with electrolyte disturbances.
What this interaction means in plain words
Disopyramide and Octreotide 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.
Disopyramide belongs to Cardiovascular; Octreotide belongs to Endocrine.
Why it happens
Additive effects on cardiac repolarization and conduction, plus octreotide-related bradycardia.
What to do
Avoid if possible; otherwise obtain baseline and follow-up ECGs and correct potassium and magnesium.
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 Octreotide
Other interactions of Disopyramide
- Amisulpride + Disopyramide Contraindicated
- Desipramine + Disopyramide Contraindicated
- Disopyramide + Dronedarone Contraindicated
- Disopyramide + Itraconazole Contraindicated
- Disopyramide + Ketoconazole Contraindicated
- Disopyramide + Maprotiline Contraindicated
Frequently asked questions
Can I take Disopyramide with Octreotide?
MediHelp rates the interaction as major. Disopyramide and Octreotide 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. Octreotide can cause bradycardia and conduction abnormalities and has been associated with QT prolongation, while disopyramide prolongs QT and can cause torsades de pointes. Combined use may raise arrhythmia risk, especially with electrolyte disturbances.
How serious is the interaction between Disopyramide and Octreotide?
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 if possible; otherwise obtain baseline and follow-up ECGs and correct potassium and magnesium.
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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