Drug interactions
Encorafenib + Telavancin
Severity: Major
Encorafenib and Telavancin: major 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
Encorafenib causes dose-dependent QT prolongation. Telavancin may add to this effect, which increases the risk of ventricular arrhythmias.
What this interaction means in plain words
Encorafenib and Telavancin can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Encorafenib belongs to Oncology; Telavancin belongs to Anti Bacterial.
Why it happens
Additive pharmacodynamic QT prolongation.
What to do
Avoid the combination if an alternative antibiotic exists. Otherwise monitor ECG and electrolytes, and reduce or hold encorafenib if the QTc rises significantly.
What to ask your pharmacist
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
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Other interactions of Telavancin
- Telavancin + Thioridazine Contraindicated
- Adagrasib + Telavancin Major
- Amiodarone + Telavancin Major
- Amisulpride + Telavancin Major
- Anagrelide + Telavancin Major
- Arsenic trioxide + Telavancin Major
Other interactions of Encorafenib
Frequently asked questions
Can I take Encorafenib with Telavancin?
MediHelp rates the interaction as major. Encorafenib and Telavancin can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Encorafenib causes dose-dependent QT prolongation. Telavancin may add to this effect, which increases the risk of ventricular arrhythmias.
How serious is the interaction between Encorafenib and Telavancin?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid the combination if an alternative antibiotic exists. Otherwise monitor ECG and electrolytes, and reduce or hold encorafenib if the QTc rises significantly.
What other medicines interact with Telavancin?
MediHelp also lists interactions of Telavancin with, for example, Thioridazine, Adagrasib, Amiodarone. The full list is on the Telavancin page.
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