Zyprexa is an antipsychotic drug used mainly to treat severe mental conditions, most notably schizophrenia. This oral medication normalizes the balance of chemical compounds in the brain, especially when used in combination with other antipsychotics. The active ingredient, which is a ligand for serotonin and dopamine receptors, provides also a selective impact on the functioning of the limbic system. The target group of the drug is not limited to the cases with extra severity – the pills may be prescribed for people with moderate mood or nervous conditions as well.

Olanzapine is an antipsychotic drug (neuroleptic). It is shown in schizophrenia in adults, psychotic disorders, bipolar affective disorder in adults, depressive states.