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

There are 2 types of olanzapine injection (short- and long-acting). These 2 forms have different uses and dosing and the 2 products are not interchangeable. There is also a form that can be taken by mouth. The extended-release injection should only be used if you have already taken olanzapine by mouth without any serious side effects.

This medication is given by injection into the buttock muscle by a health care professional. It is given as directed by your doctor, usually every 2 to 4 weeks. The dosage is based on your medical condition and response to treatment.

Use this medication regularly to get the most benefit from it. To help you remember, mark your calendar with a reminder.

Tell your doctor if your condition lasts or gets worse.