Olanzapine is used to treat schizophrenia. Olanzapine is in a class of medications called antipsychotics. It works by decreasing unusually high levels of brain activity.

Follow the directions for using this medicine provided by your doctor. This medicine may be taken on an empty stomach or with food. STORE THIS MEDICINE at room temperature in a tightly-closed container, away from heat and light.

SIDE EFFECTS, that may go away during treatment, include dizziness, drowsiness, dry mouth, constipation, weight gain, and restlessness. If they continue or are bothersome, check with your doctor. CONTACT YOUR DOCTOR IMMEDIATELY if you experience inability to move eyes; muscle spasms of your face, neck, or back; difficulty swallowing; mask-like face; tremors; restlessness; tension in legs; shuffling walk or stiff arms or legs; puffing of cheeks; lip smacking or puckering; twitching or twisting movements; weakness of arms or legs; symptoms of high blood sugar such as increased thirst, increased urination, or vision changes; unexplained fever; extreme muscle stiffness; fast or irregular heartbeat; unusual increased sweating; or unusual changes in your mental alertness. FOR MEN: If you experience a painful, prolonged erection while taking this medicine, seek immediate medical attention. AN ALLERGIC REACTION to this medicine is unlikely, but seek immediate medical attention if it occurs. Symptoms of an allergic reaction include rash, itching, swelling, dizziness, or trouble breathing. If you notice other effects not listed above, contact your doctor, nurse, or pharmacist.

Drug interactions can result in unwanted side effects or prevent a medicine from doing its job. Use our drug interaction checker to find out if your medicines interact with each other.

If overdose is suspected, contact your local poison control center or emergency room immediately. Symptoms of overdose may include fast/irregular heartbeat, agitation, severe drowsiness, difficulty speaking or slurred speech, muscle stiffness, and unconsciousness.

IF YOU MISS A DOSE OF THIS MEDICINE, take it as soon as possible. If it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do NOT take 2 doses at once.

This medicine is a thienobenzodiazepine used to treat certain mental disorders.

This medication is sometimes prescribed for other uses; ask your doctor or pharmacist for more information.

Keep this medication in the container it came in, tightly closed, and out of reach of children. Store it at room temperature and away from moisture and heat (not in the bathroom). Throw away any medication that is outdated or no longer needed. Talk to your pharmacist about the proper disposal of your medication.

WARNING: THIS MEDICINE SHOULD NOT BE USED TO TREAT ELDERLY PATIENTS WHO HAVE A CERTAIN MENTAL CONDITION (dementia-related psychosis). These patients have an increased risk of death, usually due to heart problems (such as heart failure) or infection (such as pneumonia), while taking this medicine. Talk with your doctor or pharmacist for more information. Some medicines or medical conditions may interact with this medicine. INFORM YOUR DOCTOR OR PHARMACIST of all prescription and over-the-counter medicine that you are taking. ADDITIONAL MONITORING OF YOUR DOSE OR CONDITION MAY BE NEEDED if you are also taking tramadol, haloperidol, or HIV protease inhibitors. Inform your doctor of any other medical conditions including diabetes, heart problems (such as heart failure), seizures, breast cancer, liver conditions, difficulty swallowing (especially in patients with advanced Alzheimer's disease), dementia, infection (such as pneumonia), allergies, pregnancy, or breast-feeding. Contact your doctor or pharmacist if you have any questions or concerns about using this medicine.