The U.S. Food and Drug Administration today approved the first generic versions of Zyprexa (olanzapine tablets) and Zyprexa Zydis (olanzapine orally disintegrating tablets) to treat schizophrenia and bipolar disorder. Schizophrenia is a...ur Zyprexa Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication. This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects.