Olanzapine is an atypical antipsychotic medication primarily used to manage several psychiatric conditions.
The main approved uses of olanzapine include:
- Treatment of schizophrenia in adults and adolescents aged 13 or older[1][3][7].
- Management of bipolar I disorder, including:
- Acute manic or mixed episodes as monotherapy or in combination with lithium or valproate[1][3][7].
- Maintenance therapy to prevent recurrence[3].
- Combination therapy with fluoxetine (as Symbyax) for:
- Treatment-resistant depression
- Depressive episodes associated with bipolar I disorder[1][3][7]
- Management of psychomotor agitation associated with schizophrenia and bipolar I mania[1].
- In combination with samidorphan (as Lybalvi) for schizophrenia and bipolar I disorder in adults[1][3].
Off-label uses of olanzapine are also recognized:
- Prevention and treatment of nausea and vomiting associated with moderate and high-emetic risk chemotherapy regimens[2][3][8].
- Symptomatic management in palliative care settings, including:
- Anxiety
- Insomnia
- Anorexia-cachexia syndrome
- Possible reduction in opioid craving[2][6][8]
- Though used less commonly, it may be considered for other psychiatric and symptom-control indications as determined by healthcare providers[4][5].
References
- [1] Olanzapine: Uses, Interactions, Mechanism of Action – DrugBank
- [2] Benefits and risks of off-label olanzapine use for symptom … – APM
- [3] Olanzapine – Wikipedia
- [4] Off-Label Use of Atypical Antipsychotics: An Update
- [5] Olanzapine (Zyprexa) – Uses, Side Effects, and More – WebMD
- [6] Benefits and risks of off-label olanzapine use for symptom … [PDF]
- [7] Olanzapine (oral route) – Side effects & dosage – Mayo Clinic
- [8] Benefits and risks of off-label olanzapine use for symptom … – PubMed