Drug interactions
Ethosuximide + Zuranolone
Severity: Moderate
Ethosuximide and Zuranolone: 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
Zuranolone causes dose-related sedation and impaired psychomotor performance, and ethosuximide also commonly causes drowsiness and dizziness. Used together they can produce additive CNS depression, increasing the risk of excessive somnolence and accidents such as falls or road traffic crashes.
What this interaction means in plain words
Ethosuximide and Zuranolone 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 belongs to Central Nervous System; Zuranolone belongs to Central Nervous System.
Why it happens
Additive CNS depressant effects; zuranolone is a positive GABA-A receptor modulator and ethosuximide has sedating properties.
What to do
Reduce the zuranolone dose if both drugs are needed, and monitor for excessive sedation. Counsel the patient not to drive or operate machinery until the effect of the combination is known.
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?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Ethosuximide and Zuranolone, the additional notes, the evidence detail and the whole-prescription interaction checker.
- Full clinical management advice
- Additional notes
- Evidence detail
- Interaction checker for a whole prescription
Try Pro+ free for 7 days on the web. No card needed.
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 Zuranolone
- Alprazolam + Zuranolone Major
- Amobarbital + Zuranolone Major
- Apalutamide + Zuranolone Major
- Asenapine + Zuranolone Major
- Brexpiprazole + Zuranolone Major
- Butorphanol + Zuranolone Major
Frequently asked questions
Can I take Ethosuximide with Zuranolone?
MediHelp rates the interaction as moderate. Ethosuximide and Zuranolone 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. Zuranolone causes dose-related sedation and impaired psychomotor performance, and ethosuximide also commonly causes drowsiness and dizziness. Used together they can produce additive CNS depression, increasing the risk of excessive somnolence and accidents such as falls or road traffic crashes.
How serious is the interaction between Ethosuximide and Zuranolone?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Reduce the zuranolone dose if both drugs are needed, and monitor for excessive sedation. Counsel the patient not to drive or operate machinery until the effect of the combination is known.
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.
Full monographs, dosing and an interaction checker in the MediHelp app
Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.
