Drug interactions
Paroxetine + Safinamide
Severity: Major
Paroxetine 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
Safinamide is a reversible MAO-B inhibitor, and combining it with SSRIs has been associated with serotonin syndrome. Labeling advises caution and monitoring when they are used together, and the risk is dose dependent.
What this interaction means in plain words
Paroxetine 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.
Paroxetine belongs to Central Nervous System; Safinamide belongs to Central Nervous System.
Why it happens
Additive serotonergic effects from SSRI reuptake inhibition and MAO-B inhibition.
What to do
Avoid the combination where possible, or use the lowest effective doses and monitor closely for agitation, tremor, hyperreflexia, fever and autonomic instability, especially after dose changes.
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?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Paroxetine and Safinamide, 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.
Other interactions of Paroxetine
- Isocarboxazid + Paroxetine Contraindicated
- Methylene blue + Paroxetine Contraindicated
- Paroxetine + Phenelzine Contraindicated
- Paroxetine + Pimozide Contraindicated
- Paroxetine + Procarbazine Contraindicated
- Paroxetine + Selegiline Contraindicated
Other interactions of Safinamide
- Amitriptyline + Safinamide Contraindicated
- Amoxapine + Safinamide Contraindicated
- Amphetamine polistirex + Safinamide Contraindicated
- Clomipramine + Safinamide Contraindicated
- Cyclobenzaprine + Safinamide Contraindicated
- Desipramine + Safinamide Contraindicated
Frequently asked questions
Can I take Paroxetine with Safinamide?
MediHelp rates the interaction as major. Paroxetine 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. Safinamide is a reversible MAO-B inhibitor, and combining it with SSRIs has been associated with serotonin syndrome. Labeling advises caution and monitoring when they are used together, and the risk is dose dependent.
How serious is the interaction between Paroxetine 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 the combination where possible, or use the lowest effective doses and monitor closely for agitation, tremor, hyperreflexia, fever and autonomic instability, especially after dose changes.
What other medicines interact with Paroxetine?
MediHelp also lists interactions of Paroxetine with, for example, Isocarboxazid, Methylene blue, Phenelzine. The full list is on the Paroxetine 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.
