Drug interactions
Efavirenz + Octreotide
Severity: Moderate
Efavirenz 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
Both agents have been linked to QT prolongation or bradycardia, so combined use might add to arrhythmia risk. The clinical evidence is limited.
What this interaction means in plain words
Efavirenz 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.
Efavirenz belongs to Anti Virals; Octreotide belongs to Endocrine.
Why it happens
Possible additive effects on cardiac repolarization; octreotide also causes bradycardia.
What to do
Check a baseline ECG and electrolytes, and monitor heart rate and QTc, especially with other QT-prolonging drugs.
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 Efavirenz
- Cobimetinib + Efavirenz Contraindicated
- Dienogest / estradiol valerate + Efavirenz Contraindicated
- Dihydroergotamine intranasal + Efavirenz Contraindicated
- Dihydroergotamine + Efavirenz Contraindicated
- Doravirine + Efavirenz Contraindicated
- Efavirenz + Elbasvir / grazoprevir Contraindicated
Other interactions of Octreotide
Frequently asked questions
Can I take Efavirenz with Octreotide?
MediHelp rates the interaction as moderate. Efavirenz 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. Both agents have been linked to QT prolongation or bradycardia, so combined use might add to arrhythmia risk. The clinical evidence is limited.
How serious is the interaction between Efavirenz 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: Check a baseline ECG and electrolytes, and monitor heart rate and QTc, especially with other QT-prolonging drugs.
What other medicines interact with Efavirenz?
MediHelp also lists interactions of Efavirenz with, for example, Cobimetinib, Dienogest / estradiol valerate, Dihydroergotamine intranasal. The full list is on the Efavirenz page.
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