Drug interactions
Difelikefalin + Safinamide
Severity: Minor
Difelikefalin and Safinamide: minor 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
Difelikefalin can cause somnolence and dizziness. Other CNS-active drugs may add to these effects, though safinamide is not typically strongly sedating.
What this interaction means in plain words
Difelikefalin and Safinamide have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Difelikefalin belongs to Dermatology; Safinamide belongs to Central Nervous System.
Why it happens
Additive CNS effects; no established pharmacokinetic interaction.
What to do
Counsel patients about drowsiness and dizziness and monitor for excess sedation or falls. Reduce doses if sedation occurs.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
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Other interactions of Safinamide
- Amitriptyline + Safinamide Contraindicated
- Amoxapine + Safinamide Contraindicated
- Amphetamine polistirex + Safinamide Contraindicated
- Clomipramine + Safinamide Contraindicated
- Cyclobenzaprine + Safinamide Contraindicated
- Desipramine + Safinamide Contraindicated
Other interactions of Difelikefalin
- Acetazolamide + Difelikefalin Moderate
- Alprazolam + Difelikefalin Moderate
- Amantadine + Difelikefalin Moderate
- Amitriptyline + Difelikefalin Moderate
- Amobarbital + Difelikefalin Moderate
- Asenapine + Difelikefalin Moderate
Frequently asked questions
Can I take Difelikefalin with Safinamide?
MediHelp rates the interaction as minor. Difelikefalin and Safinamide have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Difelikefalin can cause somnolence and dizziness. Other CNS-active drugs may add to these effects, though safinamide is not typically strongly sedating.
How serious is the interaction between Difelikefalin and Safinamide?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Counsel patients about drowsiness and dizziness and monitor for excess sedation or falls. Reduce doses if sedation occurs.
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.
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