Drug interactions
Amobarbital + Brexanolone
Severity: Major
Amobarbital and Brexanolone: 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
Brexanolone causes excessive sedation and sudden loss of consciousness, and other CNS depressants such as barbiturates may intensify this. The combination raises the risk of oversedation and respiratory compromise during infusion.
What this interaction means in plain words
Amobarbital and Brexanolone 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.
Why it happens
Additive CNS depression through GABA-A receptor positive modulation.
What to do
Monitor continuously with pulse oximetry during infusion and reduce or interrupt the infusion if excessive sedation occurs. Review the need for the barbiturate during treatment.
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
Frequently asked questions
Can I take Amobarbital with Brexanolone?
MediHelp rates the interaction as major. Amobarbital and Brexanolone 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. Brexanolone causes excessive sedation and sudden loss of consciousness, and other CNS depressants such as barbiturates may intensify this. The combination raises the risk of oversedation and respiratory compromise during infusion.
How serious is the interaction between Amobarbital and Brexanolone?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor continuously with pulse oximetry during infusion and reduce or interrupt the infusion if excessive sedation occurs. Review the need for the barbiturate during treatment.
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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