Drug interactions
Encorafenib + Ethosuximide
Severity: Moderate
Encorafenib 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
Encorafenib both inhibits and induces CYP3A4, so ethosuximide exposure may be raised or lowered unpredictably. This could cause toxicity or loss of seizure control.
What this interaction means in plain words
Encorafenib 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.
Encorafenib belongs to Oncology; Ethosuximide belongs to Central Nervous System.
Why it happens
Mixed inhibition and induction of CYP3A4 by encorafenib alters ethosuximide metabolism.
What to do
Monitor seizure control and adverse effects, and check ethosuximide levels after starting or stopping encorafenib. Adjust the dose accordingly.
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
Other interactions of Encorafenib
Frequently asked questions
Can I take Encorafenib with Ethosuximide?
MediHelp rates the interaction as moderate. Encorafenib 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. Encorafenib both inhibits and induces CYP3A4, so ethosuximide exposure may be raised or lowered unpredictably. This could cause toxicity or loss of seizure control.
How serious is the interaction between Encorafenib 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 seizure control and adverse effects, and check ethosuximide levels after starting or stopping encorafenib. Adjust the dose accordingly.
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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