Drug reference directory
Drug reference

brexanolone

Drug monograph

CDSCO approved
EXCRETION
—
not curated
INTERACTIONS
2 major
SEVERE in our sources
PREGNANCY
—
not curated
Top interactions
  • LevacetylmethadolSevereDatabaseDDInter
  • Sodium OxybateSevereDatabaseDDInter

Mechanism

Brexanolone is a neuroactive steroid that acts as a positive allosteric modulator (PAM) at GABAA receptors.

Indications

postpartum depression

Pharmacokinetics

Half-life
9 hours
Metabolism
alpha-keto reduction, glucuronidation, sulfation

Side effects

Common
sedationdizziness
Serious
  • sudden loss of consciousness

Drug interactions

Levacetylmethadol
Severe
Database

Drug interaction classified as: synergy

Source: DDInter

Sodium Oxybate
Severe
Database

Drug interaction classified as: synergy

Source: DDInter

10 additional unreviewed or low-confidence interactions hidden because their provenance or source detail is insufficient.

Related guidelines

Other Unclassified drugs

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Textbook-sourced·Sources: Goodman & Gilman 14e·Updated: 2026-05-10