← Antipsychotics

Olanzapine

Also known as Zyprexa · Atypical antipsychotic

Withdrawal risk: Moderate

What it's used for

  • Schizophrenia
  • Bipolar mania
  • Prevention of bipolar relapse

Read about: Bipolar disorder, Schizophrenia

How it works: Blocks dopamine D2, serotonin 5-HT2A and other receptors.

Common side effects

  • Significant weight gain
  • Sedation
  • Metabolic changes

Tapering considerations

  • Relapse risk is higher with rapid discontinuation.
  • Reductions of ~5–10% of current dose monthly are described.
Why smaller steps near the end →

For prescribers & facilitators

  • Agree relapse signature and crisis plan before tapering.

Sources

  1. 01
    A method for tapering antipsychotic treatment that may minimize the risk of relapse

    Horowitz, Jauhar, Natesan, Murray & Taylor, Schizophrenia Bulletin, 2021

  2. 02
    The Maudsley Deprescribing Guidelines

    Horowitz & Taylor, Wiley-Blackwell, 2024