Drug interactions
Gemtuzumab + Telavancin
Severity: Moderate
Gemtuzumab and Telavancin: 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. Together they may increase the risk of arrhythmia, especially in patients with leukemia who often have electrolyte disturbances and other QT-active therapy.
What this interaction means in plain words
Gemtuzumab and Telavancin 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
Monitor ECG and keep potassium and magnesium within normal range. Review other QT-prolonging medicines and consider alternatives to telavancin.
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 Telavancin
- Telavancin + Thioridazine Contraindicated
- Adagrasib + Telavancin Major
- Amiodarone + Telavancin Major
- Amisulpride + Telavancin Major
- Anagrelide + Telavancin Major
- Arsenic trioxide + Telavancin Major
Frequently asked questions
Can I take Gemtuzumab with Telavancin?
MediHelp rates the interaction as moderate. Gemtuzumab and Telavancin 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. Together they may increase the risk of arrhythmia, especially in patients with leukemia who often have electrolyte disturbances and other QT-active therapy.
How serious is the interaction between Gemtuzumab and Telavancin?
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 keep potassium and magnesium within normal range. Review other QT-prolonging medicines and consider alternatives to telavancin.
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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