Drug interactions
Efavirenz + Lumateperone
Severity: Major
Efavirenz and Lumateperone: major 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
Efavirenz can substantially reduce lumateperone exposure, risking loss of antipsychotic or antidepressant effect.
What this interaction means in plain words
Efavirenz and Lumateperone can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Efavirenz belongs to Anti Virals; Lumateperone belongs to Central Nervous System.
Why it happens
Induction of CYP3A4 by efavirenz increases lumateperone clearance.
What to do
Avoid concomitant use of lumateperone with CYP3A4 inducers; consider an alternative agent or antiretroviral.
What to ask your pharmacist
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
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Other interactions of Efavirenz
- Cobimetinib + Efavirenz Contraindicated
- Dienogest / estradiol valerate + Efavirenz Contraindicated
- Dihydroergotamine intranasal + Efavirenz Contraindicated
- Dihydroergotamine + Efavirenz Contraindicated
- Doravirine + Efavirenz Contraindicated
- Efavirenz + Elbasvir / grazoprevir Contraindicated
Other interactions of Lumateperone
Frequently asked questions
Can I take Efavirenz with Lumateperone?
MediHelp rates the interaction as major. Efavirenz and Lumateperone can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Efavirenz can substantially reduce lumateperone exposure, risking loss of antipsychotic or antidepressant effect.
How serious is the interaction between Efavirenz and Lumateperone?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid concomitant use of lumateperone with CYP3A4 inducers; consider an alternative agent or antiretroviral.
What other medicines interact with Efavirenz?
MediHelp also lists interactions of Efavirenz with, for example, Cobimetinib, Dienogest / estradiol valerate, Dihydroergotamine intranasal. The full list is on the Efavirenz page.
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