Drug interactions
Asenapine transdermal + Ethosuximide
Severity: Moderate
Asenapine transdermal 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
Ethosuximide and asenapine both cause sedation and somnolence, so together they may produce excessive drowsiness and impaired alertness. The effect is usually manageable.
What this interaction means in plain words
Asenapine transdermal 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.
Why it happens
Additive CNS depressant effects.
What to do
Monitor for sedation and psychomotor impairment, particularly at initiation or dose increases, and advise caution with driving.
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
Frequently asked questions
Can I take Asenapine transdermal with Ethosuximide?
MediHelp rates the interaction as moderate. Asenapine transdermal 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. Ethosuximide and asenapine both cause sedation and somnolence, so together they may produce excessive drowsiness and impaired alertness. The effect is usually manageable.
How serious is the interaction between Asenapine transdermal 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 sedation and psychomotor impairment, particularly at initiation or dose increases, and advise caution with driving.
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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