Drug interactions
Amobarbital + Lemborexant
Severity: Major
Amobarbital and Lemborexant: 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
Amobarbital can lower lemborexant concentrations via CYP3A4 induction, reducing its hypnotic effect. Both drugs also cause CNS depression, so additive sedation and next-day impairment are possible.
What this interaction means in plain words
Amobarbital and Lemborexant 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.
Amobarbital belongs to Central Nervous System; Lemborexant belongs to Central Nervous System.
Why it happens
CYP3A4 induction increases lemborexant clearance, while orexin antagonism and barbiturate GABAergic effects are additive in CNS depression.
What to do
Avoid combining them; choose a single hypnotic strategy. Lemborexant labeling advises against use with strong CYP3A inducers.
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 Amobarbital
- Amobarbital + Calcium / magnesium / potassium / sodium oxybates Contraindicated
- Amobarbital + Doravirine Contraindicated
- Amobarbital + Elbasvir / grazoprevir Contraindicated
- Amobarbital + Isavuconazonium Contraindicated
- Amobarbital + Isocarboxazid Contraindicated
- Amobarbital + Lonafarnib Contraindicated
Other interactions of Lemborexant
Frequently asked questions
Can I take Amobarbital with Lemborexant?
MediHelp rates the interaction as major. Amobarbital and Lemborexant 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. Amobarbital can lower lemborexant concentrations via CYP3A4 induction, reducing its hypnotic effect. Both drugs also cause CNS depression, so additive sedation and next-day impairment are possible.
How serious is the interaction between Amobarbital and Lemborexant?
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 combining them; choose a single hypnotic strategy. Lemborexant labeling advises against use with strong CYP3A inducers.
What other medicines interact with Amobarbital?
MediHelp also lists interactions of Amobarbital with, for example, Calcium / magnesium / potassium / sodium oxybates, Doravirine, Elbasvir / grazoprevir. The full list is on the Amobarbital page.
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