Drug interactions
Buprenorphine buccal + Ranolazine
Severity: Moderate
Buprenorphine buccal and Ranolazine: 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 drugs can prolong the QT interval, and buprenorphine has labeled QTc effects. Combined use may increase the risk of torsades de pointes, particularly with other risk factors.
What this interaction means in plain words
Buprenorphine buccal and Ranolazine 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 interval prolongation.
What to do
Obtain a baseline ECG and monitor QTc in patients with cardiac risk factors. 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 Ranolazine
- Adagrasib + Ranolazine Contraindicated
- Amobarbital + Ranolazine Contraindicated
- Apalutamide + Ranolazine Contraindicated
- Butabarbital + Ranolazine Contraindicated
- Carbamazepine + Ranolazine Contraindicated
- Clarithromycin + Ranolazine Contraindicated
Frequently asked questions
Can I take Buprenorphine buccal with Ranolazine?
MediHelp rates the interaction as moderate. Buprenorphine buccal and Ranolazine 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 drugs can prolong the QT interval, and buprenorphine has labeled QTc effects. Combined use may increase the risk of torsades de pointes, particularly with other risk factors.
How serious is the interaction between Buprenorphine buccal and Ranolazine?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Obtain a baseline ECG and monitor QTc in patients with cardiac risk factors. Correct potassium and magnesium abnormalities.
What other medicines interact with Ranolazine?
MediHelp also lists interactions of Ranolazine with, for example, Adagrasib, Amobarbital, Apalutamide. The full list is on the Ranolazine page.
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