Drug interactions
Ethosuximide + Pitolisant
Severity: Minor
Ethosuximide and Pitolisant: 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
Pitolisant is a weak CYP3A4 inducer and may slightly lower ethosuximide levels. A clinically important effect is unlikely but loss of efficacy is possible.
What this interaction means in plain words
Ethosuximide and Pitolisant 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; Pitolisant belongs to Central Nervous System.
Why it happens
Weak CYP3A4 induction by pitolisant increasing ethosuximide clearance.
What to do
Monitor seizure control when pitolisant is started and adjust ethosuximide if control declines.
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 Pitolisant
- Alfuzosin + Pitolisant Major
- Amiodarone + Pitolisant Major
- Amisulpride + Pitolisant Major
- Anagrelide + Pitolisant Major
- Asenapine + Pitolisant Major
- Bupropion + Pitolisant Major
Frequently asked questions
Can I take Ethosuximide with Pitolisant?
MediHelp rates the interaction as minor. Ethosuximide and Pitolisant have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Pitolisant is a weak CYP3A4 inducer and may slightly lower ethosuximide levels. A clinically important effect is unlikely but loss of efficacy is possible.
How serious is the interaction between Ethosuximide and Pitolisant?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor seizure control when pitolisant is started and adjust ethosuximide if control declines.
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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