Drug interactions
Difelikefalin + Ethosuximide
Severity: Moderate
Difelikefalin and Ethosuximide: 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, a kappa opioid agonist, can cause somnolence and dizziness. Added to ethosuximide, sedation may be increased.
What this interaction means in plain words
Difelikefalin and Ethosuximide 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; Ethosuximide belongs to Central Nervous System.
Why it happens
Additive CNS depression.
What to do
Monitor for increased sedation and dizziness, particularly in dialysis patients prone to falls. Reduce doses if symptoms develop.
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 Ethosuximide
- Benzhydrocodone / acetaminophen + Ethosuximide Major
- Buprenorphine long-acting + Ethosuximide Major
- Buprenorphine subdermal implant + Ethosuximide Major
- Buprenorphine transdermal + Ethosuximide Major
- Calcium / magnesium / potassium / sodium oxybates + Ethosuximide Major
- Ethosuximide + Fentanyl intranasal 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 Difelikefalin with Ethosuximide?
MediHelp rates the interaction as moderate. Difelikefalin and Ethosuximide 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, a kappa opioid agonist, can cause somnolence and dizziness. Added to ethosuximide, sedation may be increased.
How serious is the interaction between Difelikefalin and Ethosuximide?
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 increased sedation and dizziness, particularly in dialysis patients prone to falls. Reduce doses if symptoms develop.
What other medicines interact with Ethosuximide?
MediHelp also lists interactions of Ethosuximide with, for example, Benzhydrocodone / acetaminophen, Buprenorphine long-acting, Buprenorphine subdermal implant. The full list is on the Ethosuximide page.
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