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Drug interactions

Buprenorphine buccal + Vardenafil

Severity: Moderate

Buprenorphine buccal and Vardenafil: 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 have been associated with QT prolongation, so combining them may add to arrhythmia risk. The effect is usually modest at standard doses.

What this interaction means in plain words

Buprenorphine buccal and Vardenafil 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.

Evidence level: Low

Why it happens

Additive QT interval prolongation.

What to do

Consider an ECG in patients with cardiac risk factors or other QT-prolonging drugs, and correct electrolytes.

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?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Buprenorphine buccal with Vardenafil?

MediHelp rates the interaction as moderate. Buprenorphine buccal and Vardenafil 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 have been associated with QT prolongation, so combining them may add to arrhythmia risk. The effect is usually modest at standard doses.

How serious is the interaction between Buprenorphine buccal and Vardenafil?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Consider an ECG in patients with cardiac risk factors or other QT-prolonging drugs, and correct electrolytes.

What other medicines interact with Vardenafil?

MediHelp also lists interactions of Vardenafil with, for example, Amyl nitrite, Glyceryl trinitrate pr, Isosorbide dinitrate. The full list is on the Vardenafil page.

Full monographs, dosing and an interaction checker in the MediHelp app

Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.

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