Drug interactions
Pseudoephedrine + Safinamide
Severity: Major
Pseudoephedrine and Safinamide: major interaction.
Last updated Sources: UK SmPC
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 MAO-B inhibitor and can potentiate the pressor effect of sympathomimetics, so decongestants may cause hypertension. Hypertensive reactions are a recognised concern with these combinations in labeling.
What this interaction means in plain words
Pseudoephedrine 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.
Pseudoephedrine belongs to Respiratory; Safinamide belongs to Central Nervous System.
Why it happens
Additive adrenergic pressor effects with reduced catecholamine metabolism through MAO inhibition.
What to do
Avoid systemic sympathomimetic decongestants where possible; if used, monitor blood pressure closely and stop if hypertension develops.
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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References
Other interactions of Pseudoephedrine
- Isocarboxazid + Pseudoephedrine Contraindicated
- Phenelzine + Pseudoephedrine Contraindicated
- Pseudoephedrine + Rasagiline Contraindicated
- Pseudoephedrine + Selegiline Contraindicated
- Pseudoephedrine + Selegiline transdermal Contraindicated
- Pseudoephedrine + Tranylcypromine 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 Pseudoephedrine with Safinamide?
MediHelp rates the interaction as major. Pseudoephedrine 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 MAO-B inhibitor and can potentiate the pressor effect of sympathomimetics, so decongestants may cause hypertension. Hypertensive reactions are a recognised concern with these combinations in labeling.
How serious is the interaction between Pseudoephedrine 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 systemic sympathomimetic decongestants where possible; if used, monitor blood pressure closely and stop if hypertension develops.
What other medicines interact with Pseudoephedrine?
MediHelp also lists interactions of Pseudoephedrine with, for example, Isocarboxazid, Phenelzine, Rasagiline. The full list is on the Pseudoephedrine page.
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