Europe — EMA
Olzapin (Olanzapine)
GNH USA supplies Olzapin (Olanzapine), an atypical antipsychotic for schizophrenia and bipolar disorder. Request a quote for global supply today worldwide.
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What is Olanzapine?
Olanzapine, the active ingredient in Olzapin, is an atypical antipsychotic presented as an oral dosage form for oral use. It is prescribed to manage symptoms of schizophrenia and bipolar disorder in adult patients. The medication works by modulating neurotransmitter activity, helping to reduce psychotic episodes, improve mood stability, and support functional recovery.
GNH USA supplies Olzapin as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide. The company adheres to stringent quality standards and provides regulatory documentation for global distribution.
What is Olanzapine used for?
Olanzapine, the active component of Olzapin, is used in the treatment of major psychiatric disorders that involve dopamine and serotonin dysregulation.
- Schizophrenia: reduces psychotic symptoms such as delusions, hallucinations, and thought disorder, helping to maintain stability. - Bipolar disorder: controls manic episodes and stabilizes mood, decreasing the frequency of mood swings. - Acute psychotic episodes: provides rapid symptom relief when used as part of an acute treatment regimen.
What are the side effects of Olanzapine?
Olzapin may cause a range of adverse reactions, which are generally categorized by frequency and severity.
Common Side Effects: - Weight gain: increase in body weight and appetite. - Sedation: drowsiness or feeling unusually sleepy. - Dry mouth: reduced salivation leading to discomfort. - Constipation: slowed bowel movements.
Serious or Rare Side Effects: - Neuroleptic malignant syndrome: potentially life‑threatening reaction with fever, muscle rigidity, and autonomic instability. - Agranulocytosis: severe reduction in white blood cells increasing infection risk. - Tardive dyskinesia: persistent involuntary movements, often of the face and tongue.
What precautions apply to Olanzapine?
When prescribing Olzapin, clinicians should observe several safety considerations to minimize risk.
- Metabolic monitoring: regularly assess weight, blood glucose, and lipid profile. - Cardiovascular assessment: evaluate for pre‑existing heart disease and monitor blood pressure. - Seizure risk: use cautiously in patients with a history of seizures. - Elderly use: avoid in patients with dementia‑related psychosis due to increased mortality. - Discontinuation: do not stop abruptly; taper under medical supervision. - Store at ambient temperature: keep in the original container, protect from moisture and direct sunlight.
What does Olanzapine interact with?
Olzapin can interact with other medicines, altering its effectiveness or safety profile.
Major Interactions (Avoid): - Strong CYP1A2 inhibitors (e.g., fluvoxamine): can markedly increase olanzapine plasma levels. - Other dopamine antagonists: additive central nervous system depression and extrapyramidal symptoms. - QT‑prolonging agents: may increase risk of cardiac arrhythmias.
Moderate Interactions (Monitor Closely): - CYP3A4 inducers (e.g., carbamazepine, phenytoin): may reduce olanzapine concentrations, decreasing efficacy. - Antihypertensive drugs: olanzapine can enhance hypotensive effects, requiring blood pressure monitoring.



