Zyprexa Olanzapine for Injection 10 mg Vial (Rx)Zyprexa Olanzapine for Injection 10 mg is a prescription medication used to treat acute agitation in patients with schizophrenia and bipolar disorder. It contains the active ingredient olanzapine, which belongs to a class of medications called atypical antipsychotics. This medication works by blocking certain receptors in the brain to regulate the levels of chemicals involved in mood and behavior. It is administered as an injection into a muscle by a