Indications - Olanzapine is indicated for the acute and maintenance treatment of schizophrenia and related psychoses where positive symptoms (e.g. delusions, hallucinations, disordered thinking, hostility and suspiciousness) and/or negative symptoms (e.g. flattened affect, emotional and social withdrawal, poverty of speech) are prominent. Olanzapine is indicated for the treatment of acute manic or mixed episodes in bipolar disorder, with or without psychotic features and with or without a rapid cycling course
Dosage & Administration - Dosage Schizophrenia, combination therapy for Mania, Bipolar Disorder: The initial dose is 5-10 mg once daily. Daily dosage may subsequently be adjusted on the basis of individual clinical status within the range of 5-20 mg daily. Dosage greater than 10 mg daily only after reassessment. Maximum dose is 20 mg daily. Monotherapy for Mania: Initially 15 mg once daily. Daily dosage may subsequently be adjusted on the basis of individual clinical status within the range of 5-20 mg daily. Dosage greater than 15 mg only after reassessment. Maximum dose is 20 mg daily. Administration Olanzapine can be given without regard to meals. Gradual tapering of the dose should be considered while discontinuing Olanzapine.
Side Effects - Very common undesirable effects are somnolence and weight gain. Besides increased appetite, elevated glucose levels, elevated triglyceride levels, dizziness, akathisia, Parkinson's disease, dyskinesia, orthostatic hypotension, mild and transient anticholinergic effects including constipation and dry mouth, asthenia, edema and photosensitivity reaction etc. may be observed.
Contraindications - Olanzapine is contraindicated in those patients with a known hypersensitivity to any ingredient of the product as well as in patients with known risk for narrow-angle glaucoma.
Others - Pregnancy & Lactation Olanzapine should be used in pregnancy only if the potential benefits justify the potential risk to the foetus. So, patients should be advised to notify their physician if they become pregnant or intend to become pregnant during treatment with Olanzapine. There is no report to show teratogenecity. Patients should not breast feed if they are taking Olanzapine.