Drug interactions
Difelikefalin + Vigabatrin
Severity: Moderate
Difelikefalin and Vigabatrin: moderate 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 is a kappa-opioid agonist that can cause dizziness and somnolence. Combined with vigabatrin, which is also sedating, drowsiness and impaired alertness may be greater.
What this interaction means in plain words
Difelikefalin and Vigabatrin can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Difelikefalin belongs to Dermatology; Vigabatrin belongs to Central Nervous System.
Why it happens
Additive CNS depression through pharmacodynamic effects.
What to do
Monitor for somnolence, dizziness and falls, especially in dialysis patients. Reduce dosing or reassess therapy if sedation becomes problematic.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
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Other interactions of Vigabatrin
- Amisulpride + Vigabatrin Moderate
- Asenapine transdermal + Vigabatrin Moderate
- Asenapine + Vigabatrin Moderate
- Avapritinib + Vigabatrin Moderate
- Benzhydrocodone / acetaminophen + Vigabatrin Moderate
- Brexanolone + Vigabatrin Moderate
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 Vigabatrin?
MediHelp rates the interaction as moderate. Difelikefalin and Vigabatrin can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Difelikefalin is a kappa-opioid agonist that can cause dizziness and somnolence. Combined with vigabatrin, which is also sedating, drowsiness and impaired alertness may be greater.
How serious is the interaction between Difelikefalin and Vigabatrin?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor for somnolence, dizziness and falls, especially in dialysis patients. Reduce dosing or reassess therapy if sedation becomes problematic.
What other medicines interact with Vigabatrin?
MediHelp also lists interactions of Vigabatrin with, for example, Amisulpride, Asenapine transdermal, Asenapine. The full list is on the Vigabatrin page.
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