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OLANZAPINE (oh LAN za peen) treats schizophrenia and bipolar disorder. It works by balancing the levels of dopamine and serotonin in your brain, substances that help regulate mood, behaviors, and thoughts. It belongs to a group of medications called antipsychotics. Antipsychotic medications can be used to treat several kinds of mental health conditions.
This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions.
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Take this medication by mouth. Take it as directed on the prescription label at the same time every day. You do not need water to take this medication. Leave the tablet in the sealed pack until you are ready to take it. With dry hands, open the pack and gently remove the tablet. If the tablet breaks or crumbles, throw it away. Use a new tablet. Place tablet in the mouth and allow it to dissolve. Then, swallow it. Do not cut, crush, or chew this medication. Keep taking it unless your care team tells you to stop.
A special MedGuide will be given to you by the pharmacist with each new prescription and refill. Be sure to read this information carefully each time.
Talk to your care team about the use of this medication in children. While this medication may be prescribed for children as young as 13 years for selected conditions, precautions do apply.
Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once.
NOTE: This medicine is only for you. Do not share this medicine with others.
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Do not take this medication with any of the following:
-Dronedarone
-Cisapride
-Metoclopramide
-Pimozide
-Thioridazine
This medication may also interact with the following:
-Alcohol
-Antihistamines for allergy, cough, and cold
-Atropine
-Carbamazepine
-Certain medications for anxiety or sleep
-Certain medications for bladder problems like oxybutynin, tolterodine
-Certain medications for depression like amitriptyline, fluoxetine, sertraline
-Certain medications for stomach problems like dicyclomine, hyoscyamine
-Certain medications for travel sickness like scopolamine
-Fluvoxamine
-General anesthetics like halothane, isoflurane, methoxyflurane, propofol
-Levodopa or other medications for Parkinson's disease
-Medications for blood pressure
-Medications for seizures
-Medications that relax muscles for surgery
-Narcotic medications for pain
-Omeprazole
-Other medications that prolong the QT interval (an abnormal heart rhythm)
-Phenothiazines like chlorpromazine, prochlorperazine
-Rifampin
This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.
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Visit your care team for regular checks on your progress. Tell your care team if symptoms do not start to get better or if they get worse. Do not stop taking except on your care team's advice. You may develop a severe reaction. Your care team will tell you how much medication to take.
This medication may cause serious skin reactions. They can happen weeks to months after starting the medication. Contact your care team right away if you notice fevers or flu-like symptoms with a rash. The rash may be red or purple and then turn into blisters or peeling of the skin. Or, you might notice a red rash with swelling of the face, lips or lymph nodes in your neck or under your arms.
You may get dizzy or drowsy. Do not drive, use machinery, or do anything that needs mental alertness until you know how this medication affects you. Do not stand or sit up quickly, especially if you are an older patient. This reduces the risk of dizzy or fainting spells. Alcohol may interfere with the effect of this medication. Avoid alcoholic drinks.
Your mouth may get dry. Chewing sugarless gum or sucking hard candy, and drinking plenty of water will help.
This medication can cause problems with controlling your body temperature. It can lower the response of your body to cold temperatures. If possible, stay indoors during cold weather. If you must go outdoors, wear warm clothes. It can also lower the response of your body to heat. Do not overheat. Do not over-exercise. Stay out of the sun when possible. If you must be in the sun, wear cool clothing. Drink plenty of water. If you have trouble controlling your body temperature, call your care team right away.
This medication may increase blood sugar. Ask your care team if changes in diet or medications are needed if you have diabetes.
If you smoke, tell your care team if you notice this medication is not working well for you. Talk to your care team if you are a smoker or if you decide to stop smoking.
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If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.
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Side effects that you should report to your care team as soon as possible:
-Allergic reactions—skin rash, itching, hives, swelling of the face, lips, tongue, or throat
-High blood sugar (hyperglycemia)—increased thirst or amount of urine, unusual weakness or fatigue, blurry vision
-High fever, stiff muscles, increased sweating, fast or irregular heartbeat, and confusion, which may be signs of neuroleptic malignant syndrome
-High prolactin level—unexpected breast tissue growth, discharge from the nipple, change in sex drive or performance, irregular menstrual cycle
-Infection—fever, chills, cough, or sore throat
-Low blood pressure—dizziness, feeling faint or lightheaded, blurry vision
-Pain or trouble swallowing
-Rash, fever, and swollen lymph nodes
-Seizures
-Stroke—sudden numbness or weakness of the face, arm, or leg, trouble speaking, confusion, trouble walking, loss of balance or coordination, dizziness, severe headache, change in vision
-Thoughts of suicide or self-harm, worsening mood, feelings of depression
-Trouble passing urine
-Uncontrolled and repetitive body movements, muscle stiffness or spasms, tremors or shaking, loss of balance or coordination, restlessness, shuffling walk, which may be signs of extrapyramidal symptoms (EPS)
Side effects that usually do not require medical attention (report to your care team if they continue or are bothersome):
-Constipation
-Dizziness
-Drowsiness
-Dry mouth
-Headache
-Upset stomach
-Weight gain
This list may not describe all possible side effects. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
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Keep out of the reach of children.
Store at controlled room temperature between 15 and 30 degrees C (59 and 86 degrees F). Protect from light and moisture. Throw away any unused medication after the expiration date.
NOTE: This sheet is a summary. It may not cover all possible information. If you have questions about this medicine, talk to your doctor, pharmacist, or health care provider.
DISCLAIMER: This drug information content is provided for informational purposes only and is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Patients should always consult their physician with any questions regarding a medical condition and to obtain medical advice and treatment. Drug information is sourced from GSDD (Gold Standard Drug Database ) provided by Elsevier.
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