Olanzapine is an atypical antipsychotic. It works by affecting the levels of chemical messengers (dopamine and serotonin) to improve mood, thoughts and behavior.
Dizziness, Sleepiness, Weight gain, Increased prolactin level in blood, Constipation, Increased appetite, Weakness, Extrapyramidal symptoms, Increased liver enzymes (neutrophils)
Olanzapine is used in the treatment of schizophrenia and mania.