Praxis Medical Insights

Est. 2024 • Clinical Guidelines Distilled

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

Last Updated: 10/29/2025

Buspirone Dosage and Administration for Generalized Anxiety Disorder

Dosing Considerations

  • The American Academy of Family Physicians notes that buspirone must be taken consistently either always with food or always without food, as bioavailability increases significantly when taken with food 1
  • Therapeutic effects of buspirone may take 2-4 weeks to become fully apparent, according to the American Academy of Family Physicians 1, 2, 3

Pharmacokinetics and Timing

  • The American Academy of Family Physicians recommends that patients take buspirone at the same time relative to meals to maintain consistent blood levels and response 1