Drug interactions
Buprenorphine buccal + Leuprolide
Severity: Moderate
Buprenorphine buccal and Leuprolide: 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
Leuprolide may prolong the QT interval, and buprenorphine has a labeled QT-prolonging effect, which is more pronounced at higher buccal doses. The combination may increase arrhythmia risk in susceptible patients.
What this interaction means in plain words
Buprenorphine buccal and Leuprolide 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.
Why it happens
Additive QT prolongation.
What to do
Monitor ECG and correct electrolytes in patients with other QT risk factors. Use the lowest effective buprenorphine dose.
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 Leuprolide
- Leuprolide + Pimozide Contraindicated
- Leuprolide + Thioridazine Contraindicated
- Amisulpride + Leuprolide Major
- Arsenic trioxide + Leuprolide Major
- Artemether / lumefantrine + Leuprolide Major
- Disopyramide + Leuprolide Major
Frequently asked questions
Can I take Buprenorphine buccal with Leuprolide?
MediHelp rates the interaction as moderate. Buprenorphine buccal and Leuprolide 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. Leuprolide may prolong the QT interval, and buprenorphine has a labeled QT-prolonging effect, which is more pronounced at higher buccal doses. The combination may increase arrhythmia risk in susceptible patients.
How serious is the interaction between Buprenorphine buccal and Leuprolide?
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 correct electrolytes in patients with other QT risk factors. Use the lowest effective buprenorphine dose.
What other medicines interact with Leuprolide?
MediHelp also lists interactions of Leuprolide with, for example, Pimozide, Thioridazine, Amisulpride. The full list is on the Leuprolide page.
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