Drug interactions
Ethosuximide + Vonoprazan
Severity: Minor
Ethosuximide and Vonoprazan: 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
Vonoprazan is a weak CYP3A inhibitor and could slightly raise ethosuximide concentrations. The effect is expected to be small and is largely theoretical.
What this interaction means in plain words
Ethosuximide and Vonoprazan have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Ethosuximide belongs to Central Nervous System; Vonoprazan belongs to Gastrointestinal Tract.
Why it happens
Weak CYP3A inhibition by vonoprazan may modestly reduce ethosuximide clearance.
What to do
No dose change is usually needed. Monitor for ethosuximide adverse effects such as drowsiness or nausea.
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 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 Vonoprazan
- Amobarbital + Vonoprazan Major
- Apalutamide + Vonoprazan Major
- Atazanavir + Vonoprazan Major
- Carbamazepine + Vonoprazan Major
- Erlotinib + Vonoprazan Major
- Phenytoin + Vonoprazan Major
Frequently asked questions
Can I take Ethosuximide with Vonoprazan?
MediHelp rates the interaction as minor. Ethosuximide and Vonoprazan have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Vonoprazan is a weak CYP3A inhibitor and could slightly raise ethosuximide concentrations. The effect is expected to be small and is largely theoretical.
How serious is the interaction between Ethosuximide and Vonoprazan?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No dose change is usually needed. Monitor for ethosuximide adverse effects such as drowsiness or nausea.
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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