Drug interactions
Granisetron + Telavancin
Severity: Moderate
Granisetron 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
Telavancin can prolong the QT interval, and granisetron may add to this effect. Together they may increase the risk of ventricular arrhythmias, especially in patients with underlying cardiac disease.
What this interaction means in plain words
Granisetron 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.
Granisetron belongs to Gastrointestinal Tract; Telavancin belongs to Anti Bacterial.
Why it happens
Additive pharmacodynamic QT prolongation.
What to do
Obtain a baseline ECG and monitor it during treatment in patients with risk factors. Correct electrolyte abnormalities and consider an antiemetic with less QT effect.
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?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Granisetron and Telavancin, the additional notes, the evidence detail and the whole-prescription interaction checker.
- Full clinical management advice
- Additional notes
- Evidence detail
- Interaction checker for a whole prescription
Try Pro+ free for 7 days on the web. No card needed.
Other interactions of Granisetron
- Apomorphine + Granisetron Contraindicated
- Amiodarone + Granisetron Major
- Amisulpride + Granisetron Major
- Arsenic trioxide + Granisetron Major
- Artemether / lumefantrine + Granisetron Major
- Artemether + Granisetron Major
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 Granisetron with Telavancin?
MediHelp rates the interaction as moderate. Granisetron 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. Telavancin can prolong the QT interval, and granisetron may add to this effect. Together they may increase the risk of ventricular arrhythmias, especially in patients with underlying cardiac disease.
How serious is the interaction between Granisetron 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: Obtain a baseline ECG and monitor it during treatment in patients with risk factors. Correct electrolyte abnormalities and consider an antiemetic with less QT effect.
What other medicines interact with Granisetron?
MediHelp also lists interactions of Granisetron with, for example, Apomorphine, Amiodarone, Amisulpride. The full list is on the Granisetron 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.
