Praxis Medical Insights

Est. 2024 • Clinical Guidelines Distilled

Made possible by volunteer editors from the University of Calgary & University of Alberta

Last Updated: 9/11/2025

Role of Sodium Valproate in Treating Psychosis

Primary Treatment Approach for Psychosis

  • Antipsychotic medications, such as haloperidol or chlorpromazine, or second-generation antipsychotics, remain the cornerstone of psychosis treatment, according to the American Academy of Psychiatry, 2
  • Initial treatment of psychosis should involve a therapeutic dose of an antipsychotic for at least 4 weeks before considering treatment modifications, as recommended by the American Psychiatric Association, 1
  • For inadequate response, switching to a different antipsychotic with a different pharmacodynamic profile is recommended before considering augmentation strategies, as suggested by the National Institute of Mental Health, 1

Scenarios Where Valproate May Be Considered

  • In patients with comorbid seizure disorders, valproate is a viable option as it addresses both conditions, according to the American Academy of Child and Adolescent Psychiatry, 3
  • Valproate has demonstrated efficacy in controlling seizures in 63-88% of cases in status epilepticus, as reported by the American College of Emergency Physicians, 4, 5

Important Considerations and Cautions

  • Weight gain is a common side effect of valproate that can reduce insulin sensitivity, as noted by the Endocrine Society, 6
  • Valproate can alter steroidogenesis and increase testosterone to estradiol ratios, potentially contributing to reproductive system effects, according to the American College of Obstetricians and Gynecologists, 6