Drug interactions
Carbidopa-entacapone-levodopa + Difelikefalin
Severity: Minor
Carbidopa-entacapone-levodopa and Difelikefalin: 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, and dopaminergic Parkinson drugs can cause drowsiness and sudden sleep onset. Combined use may increase sedation and impair alertness.
What this interaction means in plain words
Carbidopa-entacapone-levodopa and Difelikefalin have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Carbidopa-entacapone-levodopa belongs to Central Nervous System; Difelikefalin belongs to Dermatology.
Why it happens
Additive CNS depressant effects through different pathways; no pharmacokinetic interaction is established.
What to do
Counsel patients about drowsiness and caution with driving or machinery. Reassess if excessive sedation or falls occur.
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 Carbidopa-entacapone-levodopa
- Carbidopa-entacapone-levodopa + Isocarboxazid Contraindicated
- Carbidopa-entacapone-levodopa + Phenelzine Contraindicated
- Carbidopa-entacapone-levodopa + Selegiline transdermal Contraindicated
- Carbidopa-entacapone-levodopa + Tranylcypromine Contraindicated
- Amisulpride + Carbidopa-entacapone-levodopa Major
- Asenapine transdermal + Carbidopa-entacapone-levodopa Major
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 Carbidopa-entacapone-levodopa with Difelikefalin?
MediHelp rates the interaction as minor. Carbidopa-entacapone-levodopa and Difelikefalin 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, and dopaminergic Parkinson drugs can cause drowsiness and sudden sleep onset. Combined use may increase sedation and impair alertness.
How serious is the interaction between Carbidopa-entacapone-levodopa and Difelikefalin?
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 caution with driving or machinery. Reassess if excessive sedation or falls occur.
What other medicines interact with Carbidopa-entacapone-levodopa?
MediHelp also lists interactions of Carbidopa-entacapone-levodopa with, for example, Isocarboxazid, Phenelzine, Selegiline transdermal. The full list is on the Carbidopa-entacapone-levodopa page.
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