Drug interactions
Buprenorphine transdermal + Sorafenib
Severity: Moderate
Buprenorphine transdermal and Sorafenib: 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
Sorafenib and buprenorphine can each prolong the QT interval. Used together they may add to the risk of torsades de pointes, particularly in patients with electrolyte disturbances or structural heart disease.
What this interaction means in plain words
Buprenorphine transdermal and Sorafenib 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 pharmacodynamic QT prolongation.
What to do
Obtain a baseline ECG and correct potassium and magnesium before combining. Repeat ECGs periodically, and consider another analgesic if the QTc rises markedly.
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 Sorafenib
Frequently asked questions
Can I take Buprenorphine transdermal with Sorafenib?
MediHelp rates the interaction as moderate. Buprenorphine transdermal and Sorafenib 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. Sorafenib and buprenorphine can each prolong the QT interval. Used together they may add to the risk of torsades de pointes, particularly in patients with electrolyte disturbances or structural heart disease.
How serious is the interaction between Buprenorphine transdermal and Sorafenib?
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 correct potassium and magnesium before combining. Repeat ECGs periodically, and consider another analgesic if the QTc rises markedly.
What other medicines interact with Sorafenib?
MediHelp also lists interactions of Sorafenib with, for example, Adagrasib, Amiodarone, Amisulpride. The full list is on the Sorafenib page.
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