Drug interactions
Octreotide + Sulfamethoxazole
Severity: Minor
Octreotide and Sulfamethoxazole: minor 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 agents have been linked to QTc prolongation, so concurrent use may modestly increase the risk of arrhythmia. The concern is greatest in patients with cardiac disease, electrolyte disturbances or other QT-prolonging drugs.
What this interaction means in plain words
Octreotide and Sulfamethoxazole have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Why it happens
Possible additive QT prolongation; the effect of sulfamethoxazole is weak and not firmly established.
What to do
No routine change is needed in low-risk patients. Check ECG and electrolytes if additional QT risk factors are present.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
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Other interactions of Octreotide
Frequently asked questions
Can I take Octreotide with Sulfamethoxazole?
MediHelp rates the interaction as minor. Octreotide and Sulfamethoxazole have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Both agents have been linked to QTc prolongation, so concurrent use may modestly increase the risk of arrhythmia. The concern is greatest in patients with cardiac disease, electrolyte disturbances or other QT-prolonging drugs.
How serious is the interaction between Octreotide and Sulfamethoxazole?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No routine change is needed in low-risk patients. Check ECG and electrolytes if additional QT risk factors are present.
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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