Zyprexa

indicated to manage schizophrenia and bipolar disorder and to support long-term symptom stability regarding mood regulation.

Strengths: 2.5 · 5 · 7.5 · 10 · 15 · 20mg

Medicine details

Therapeutic class

Second-Generation Antipsychotic

Pharmacological class

Thienobenzodiazepine

Contraindications

narrow-angle glaucoma; hypersensitivity to olanzapine

Precautions and warnings

monitor blood sugar levels; watch for weight gain; avoid sudden discontinuation

Minor side effects

somnolence; weight gain; dizziness

Moderate side effects

orthostatic hypotension; elevated prolactin levels; dry mouth

Dosage forms

Tablet

Administration route

Oral use

Prescription status

POM

Manufacturer

Eli Lilly

Onset Time

1–2 weeks

Duration

Daily

Storage instructions

Store at room temperature in original container.

Drug interactions

diazepam; alcohol; levodopa

Age restrictions

Not recommended for children under 13.

Serious side effects

neuroleptic malignant syndrome — requires immediate medical attention; hyperglycaemia — requires immediate medical attention; tardive dyskinesia — requires immediate medical attention

Patient summary

indicated to manage schizophrenia and bipolar disorder and to support long-term symptom stability regarding mood regulation.

Mechanism of action

Olanzapine acts as an antagonist at both serotonin (5HT2A/2C) and dopamine (D2) receptors. It also exerts effects on muscarinic, histaminic, and adrenergic receptors to stabilize chemical signalling in the brain.

Pregnancy and breastfeeding

Use only if benefit outweighs risk. Breastfeeding: Use with caution; consult a doctor.

Zyprexa

indicated to manage schizophrenia and bipolar disorder and to support long-term symptom stability regarding mood regulation.

Editorial Notes

  • Active ingredient(s): Olanzapine
  • Listed indication(s): Schizophrenia, Bipolar Disorder

Usually available as

  • 360 tablets - 2.5 mg294-2-5-mg-4690
  • 180 tablets - 5 mg294-5-mg-4695
  • 90 tablets - 7.5 mg294-7-5-mg-4699