Olanzapine is recommended at 10 mg once daily if used for schizophrenia, at a starting dose of 15 mg once daily if used for manic episodes, and at a starting dose of 10 mg once daily for prevention of bipolar disorder episodes. Olanzapine is mainly used to treat schizophrenia, but can also be used for moderate or severe manic episodes, prevention of bipolar disorder episodes, and other uses. After taking olanzapine, some patients may experience the side effects of drowsiness and weight gain. Some other patients may experience generalized weakness, increased body temperature, hallucinations, and urinary incontinence. Olanzapine is a prescription drug and needs to be used under the guidance of a specialist, so do not abuse the drug on your own and cause harm to your body.