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Drug

Olanzapine

Common brand names:

Zyprexa

Pronounced

"oh-LAN-zuh-peen"

Uses

This medication is used to treat severe agitation associated with certain mental/mood conditions (schizophrenia, bipolar mania). Olanzapine belongs to a class of drugs known as atypical antipsychotics. It works by helping to restore the balance of certain natural substances in the brain.

Talk to the doctor about the risks and benefits of treatment (especially when used in teenagers). See also Precautions section.

Warning

There may be a slightly increased risk of serious, possibly fatal side effects (such as stroke, heart failure, fast/irregular heartbeat, pneumonia) when this medication is used by older adults with dementia. This medication is not approved for the treatment of dementia-related behavior problems. Discuss the risks and benefits of this medication, as well as other effective and possibly safer treatments for dementia-related behavior problems, with the doctor.

How to Use This Medication

Read the Medication Guide provided by your pharmacist before you start using olanzapine and each time you get an injection. If you have any questions, ask your doctor or pharmacist.

This medication is given by a slow injection into a muscle by a healthcare professional. The dosage is based on your medical condition and response to treatment.

This medication is intended for short-term control of acute agitation symptoms. If you require continuous treatment for your condition, your doctor may switch you to an oral medication.

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Drug information is selected from data included with permission and copyrighted by First DataBank, Inc. This is a summary and does not contain all possible information about this product. For complete information about this product or your specific health needs, ask your healthcare professional. Always seek the advice of your healthcare professional if you have any questions about this product or your medical condition. This information is not intended as individual medical advice and does not substitute for the knowledge and judgment of your healthcare professional. This information does not contain any assurances that this product is safe, effective or appropriate for you.

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Information expires December 2025.