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Drug interactions

Brigatinib + Ethosuximide

Severity: Minor

Brigatinib and Ethosuximide: 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

Brigatinib may induce CYP3A4 in vitro, which could lower ethosuximide concentrations. Reduced exposure may lead to loss of seizure control in absence epilepsy.

What this interaction means in plain words

Brigatinib and Ethosuximide have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.

Brigatinib belongs to Oncology; Ethosuximide belongs to Central Nervous System.

Evidence level: Low

Why it happens

Possible CYP3A4 induction by brigatinib increases ethosuximide metabolism.

What to do

Monitor seizure control and consider ethosuximide serum levels when starting or stopping brigatinib. Adjust the ethosuximide dose if control worsens.

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?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Brigatinib with Ethosuximide?

MediHelp rates the interaction as minor. Brigatinib and Ethosuximide have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Brigatinib may induce CYP3A4 in vitro, which could lower ethosuximide concentrations. Reduced exposure may lead to loss of seizure control in absence epilepsy.

How serious is the interaction between Brigatinib and Ethosuximide?

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 and consider ethosuximide serum levels when starting or stopping brigatinib. Adjust the ethosuximide dose if control worsens.

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

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