Skip to content

Drug interactions

Paliperidone + Romidepsin

Severity: Major

Paliperidone and Romidepsin: 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

Romidepsin has been associated with QT/T-wave changes, and paliperidone also prolongs QTc. Using both may increase arrhythmia risk, especially with low potassium or magnesium.

What this interaction means in plain words

Paliperidone and Romidepsin 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.

Evidence level: Low

Why it happens

Additive pharmacodynamic QT prolongation.

What to do

Consider an alternative antipsychotic. If both are needed, check baseline ECG and keep potassium and magnesium replete throughout treatment.

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?

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 Paliperidone 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 14 days on the web. No card needed.

Frequently asked questions

Can I take Paliperidone with Romidepsin?

MediHelp rates the interaction as major. Paliperidone and Romidepsin 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. Romidepsin has been associated with QT/T-wave changes, and paliperidone also prolongs QTc. Using both may increase arrhythmia risk, especially with low potassium or magnesium.

How serious is the interaction between Paliperidone and Romidepsin?

MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Consider an alternative antipsychotic. If both are needed, check baseline ECG and keep potassium and magnesium replete throughout treatment.

What other medicines interact with Paliperidone?

MediHelp also lists interactions of Paliperidone with, for example, Ibutilide, Pimozide, Vandetanib. The full list is on the Paliperidone 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