Drug interactions
Osimertinib + Paliperidone
Severity: Major
Osimertinib and Paliperidone: 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
Osimertinib and paliperidone can each prolong the QTc interval, so using them together may increase the likelihood of serious ventricular arrhythmias such as torsades de pointes.
What this interaction means in plain words
Osimertinib and Paliperidone 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.
Osimertinib belongs to Oncology; Paliperidone belongs to Central Nervous System.
Why it happens
Additive QT interval prolongation.
What to do
Check an ECG and electrolytes at baseline and periodically, correcting low potassium, magnesium or calcium. Stop or switch a drug if QTc rises markedly or arrhythmia symptoms occur.
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 Paliperidone
- Ibutilide + Paliperidone Contraindicated
- Paliperidone + Pimozide Contraindicated
- Paliperidone + Vandetanib Contraindicated
- Adagrasib + Paliperidone Major
- Amiodarone + Paliperidone Major
- Amisulpride + Paliperidone Major
Other interactions of Osimertinib
Frequently asked questions
Can I take Osimertinib with Paliperidone?
MediHelp rates the interaction as major. Osimertinib and Paliperidone 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. Osimertinib and paliperidone can each prolong the QTc interval, so using them together may increase the likelihood of serious ventricular arrhythmias such as torsades de pointes.
How serious is the interaction between Osimertinib and Paliperidone?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Check an ECG and electrolytes at baseline and periodically, correcting low potassium, magnesium or calcium. Stop or switch a drug if QTc rises markedly or arrhythmia symptoms occur.
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.
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