Precautions
Drug information provided by: Merative, Micromedex®
It is very important that your doctor check your progress while you are receiving this medicine to make sure it is working properly. Blood tests may be needed to check for unwanted effects.
Olanzapine may cause some people to be agitated, irritable, or display other abnormal behaviors. It may also cause some people to have suicidal thoughts and tendencies or to become more depressed. If you or your caregiver notice any of these unwanted effects, tell your doctor right away.
This medicine may cause a condition called drug reaction with eosinophilia and systemic symptoms (DRESS). Call your doctor right away if you have a rash, red, swollen skin, fever, chills, cough, trouble breathing, swollen glands, or unusual bleeding, bruising, or weakness after receiving this medicine.
This medicine may increase your cholesterol and fats in the blood. If this condition occurs, your doctor may give you some medicines that can lower the amount of cholesterol and fats in the blood.
This medicine may increase your weight. Your doctor may need to check your weight regularly during treatment with this medicine.
This medicine may increase the amount of sugar in your blood. Check with your doctor right away if you have increased thirst or increased urination. If you have diabetes, you may notice a change in the results of your urine or blood sugar tests. If you have any questions, check with your doctor.
Check with your doctor right away if you have difficulty with breathing, a fast heartbeat, a high fever, high or low blood pressure, increased sweating, loss of bladder control, seizures, severe muscle stiffness, unusually pale skin, or tiredness. These could be symptoms of a serious condition called neuroleptic malignant syndrome (NMS).
This medicine may cause tardive dyskinesia (a movement disorder). Check with your doctor right away if you have lip smacking or puckering, puffing of the cheeks, rapid or worm-like movements of the tongue, uncontrolled chewing movements, or uncontrolled movements of the arms and legs.
Olanzapine injection may cause drowsiness, trouble with thinking, trouble with controlling body movements, or trouble with your vision, which may lead to falls, fractures, or other injuries. Make sure you know how you react to this medicine before you drive, use machines, or do other jobs that require you to be alert, well-coordinated, or able to think or see well.
Dizziness, lightheadedness, or fainting may occur, especially when you get up from a lying or sitting position. Getting up slowly may help. If this problem continues or gets worse, check with your doctor.
This medicine may cause post-injection delirium/sedation syndrome. Tell your doctor right away if you have dizziness, drowsiness, sleepiness, seizures, or confusion as to time, place, or person after receiving the injection.
This medicine can temporarily lower the number of white blood cells in your blood, increasing the chance of getting an infection. If you can, avoid people with infections. Check with your doctor immediately if you think you are getting an infection or if you get a fever or chills, cough or hoarseness, lower back or side pain, or painful or difficult urination.
This medicine may make it more difficult for your body to cool down. It might reduce how much you sweat. Your body could get too hot if you do not sweat enough. If your body gets too hot, you might feel dizzy, weak, tired, or confused. You might vomit or have an upset stomach. Do not get too hot while you are exercising. Avoid places that are very hot. Call your doctor if you are too hot and can not cool down.
Avoid drinking alcohol while you are receiving this medicine.
Do not take other medicines unless they have been discussed with your doctor. This includes prescription or nonprescription (over-the-counter [OTC]) medicines) and herbal or vitamin supplements.
Portions of this document last updated: May 01, 2024
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