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Drug interactions

Iloperidone + Safinamide

Severity: Major

Iloperidone and Safinamide: 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

Iloperidone blocks dopamine D2 receptors and can counteract the antiparkinsonian effect of safinamide. Motor symptoms may worsen.

What this interaction means in plain words

Iloperidone and Safinamide 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.

Iloperidone belongs to Central Nervous System; Safinamide belongs to Central Nervous System.

Evidence level: Moderate

Why it happens

Pharmacodynamic antagonism of dopaminergic therapy by D2 receptor blockade.

What to do

Avoid in Parkinson disease where possible; if an antipsychotic is needed use quetiapine, clozapine or pimavanserin. Monitor motor function if unavoidable.

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.

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Frequently asked questions

Can I take Iloperidone with Safinamide?

MediHelp rates the interaction as major. Iloperidone and Safinamide 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. Iloperidone blocks dopamine D2 receptors and can counteract the antiparkinsonian effect of safinamide. Motor symptoms may worsen.

How serious is the interaction between Iloperidone and Safinamide?

MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid in Parkinson disease where possible; if an antipsychotic is needed use quetiapine, clozapine or pimavanserin. Monitor motor function if unavoidable.

What other medicines interact with Safinamide?

MediHelp also lists interactions of Safinamide with, for example, Amitriptyline, Amoxapine, Amphetamine polistirex. The full list is on the Safinamide 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.

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