Skip to content

Drug interactions

Granisetron + Romidepsin

Severity: Moderate

Granisetron and Romidepsin: 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

Romidepsin has been associated with QT/ECG changes, and granisetron is often used for its nausea. Combined use may increase risk of arrhythmia, especially with low potassium or magnesium.

What this interaction means in plain words

Granisetron and Romidepsin 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

Check and correct potassium and magnesium before each romidepsin dose and obtain an ECG in patients with cardiac risk factors. Consider an alternative antiemetic in patients with long QT.

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.

Pro+ members

Unlock the full page

Create an account and start a Pro+ trial to unlock the full management advice for Granisetron and Romidepsin, 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.

Frequently asked questions

Can I take Granisetron with Romidepsin?

MediHelp rates the interaction as moderate. Granisetron and Romidepsin 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. Romidepsin has been associated with QT/ECG changes, and granisetron is often used for its nausea. Combined use may increase risk of arrhythmia, especially with low potassium or magnesium.

How serious is the interaction between Granisetron and Romidepsin?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Check and correct potassium and magnesium before each romidepsin dose and obtain an ECG in patients with cardiac risk factors. Consider an alternative antiemetic in patients with long QT.

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.

Browse A–Z · Drug interactions

Get the app Sign in