Olanzapine is an antipsychotic medication used in the treatment of psychotic disorders such as schizophrenia and bipolar disorder in patients at least 13 years old. It may be combined with other antipsychotics or antidepressants. It not for treating psychotic conditions related to dementia.

Usually taken once daily, with or without food, in conjunction with other treatments. Swallow Zyprexa Zydis several times as tablet dissolves. Keep tablet in original container until use. Do not stop using suddenly.

May cause problems during last trimester of pregnancy; inform doctor if you become pregnant. Inform doctor of all medical conditions and drugs you take, including diabetes, glaucoma, breast cancer, low white blood cell count, and more. Zyprexa Zydis may contain phenylalanine. Patients with phenylketonuria should seek further advice from physician. Use caution when driving, as drug can impair alertness. Avoid getting up too quickly. Avoid alcohol, as dangerous side effects can occur. Avoid overheating and dehydration. If combined with other drugs, may make you sleepy, slow down breathing, and be life-threatening.

May increase risk of death in older adults with dementia-related conditions. May cause serious, irreversible movement disorder. May cause hyperglycemia; diabetics should check blood sugar levels regularly. May cause high cholesterol and triglyceride levels. Find emergency attention at once if you experience an allergic reaction, overdose symptoms, or serious drug reaction that affects many body parts. Contact doctor as soon as possible if you encounter serious effects such as: uncontrolled muscle movements, speech/swallowing problems, swelling in hands/feet, confusion, unusual moods/thought/behavior, sudden weakness/ill feeling, fever and flu symptoms, liver issue symptoms, high blood sugar symptoms, stiff muscles, uneven pulse, feeling faint. Other side effects may include: weight gain, appetite increase, headache, dizziness, drowsiness, fatigue, restlessness, speech/memory problems, tremors, numbness and tingling, personality changes, dry mouth or increased salivation, stomach pain, constipation, pain in limbs.