Olanzapine is a type of atypical antipsychotic drug, which is sold under a variety of brand names including Zyprexa, Zydis and Zolafren.
Antipsychotic drugs are used to treat the symptoms of a range of conditions including schizophrenia and bipolar disorder. They work by changing the activity of certain natural substances in the brain, although the exact mechanism is unclear. Atypical anti-psychotic drugs are newer than older, typical anti-psychotic drugs and are believed to be better tolerated, with less side-effects.
Olanzapine comes in a variety of forms, including as a tablet and as an intra-muscular injection.
You will need to consult a psychiatrist, GP, or other suitably qualified medical practitioner, for the latest information on specific formulations and doses