GENERIC NAME: OLANZAPINE - ORAL (oh-LAN-za-peen)
BRAND NAME(S): Zyprexa
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.
USES: Olanzapine is used to treat certain mental/mood conditions (such as schizophrenia, bipolar disorder). It may also be used in combination with other medication to treat depression. This medication can help to decrease hallucinations and help you to think more clearly and positively about yourself, feel less agitated, and take a more active part in everyday life.Olanzapine belongs to a class of drugs called 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 by teenagers). See also Precautions section.OTHER This section contains uses of this drug that are not listed in the approved professional labeling for the drug but that may be prescribed by your health care professional. Use this drug for a condition that is listed in this section only if it has been so prescribed by your health care professional.This medication may also be used to prevent nausea and vomiting caused by cancer drug treatment (chemotherapy).
HOW TO USE: Read the Medication Guide provided by your pharmacist before you start taking olanzapine and each time you get a refill. If you have any questions, ask your doctor or pharmacist.Take this medication by mouth with or without food as directed by your doctor, usually once daily.The dosage is based on your medical condition and response to treatment. To reduce your risk of side effects, your doctor may direct you to start this medication at a low dose and gradually increase your dose. Follow your doctor's instructions carefully.Take this medication regularly to get the most benefit from it. To help you remember, take it at the same time each day. It is important to continue taking this medication as prescribed even if you feel well. Do not stop taking this medication without consulting your doctor.Tell your doctor if your condition persists or worsens.
SIDE EFFECTS: Drowsiness, dizziness, lightheadedness, stomach upset, dry mouth, constipation, increased appetite, or weight gain may occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.To reduce the risk of dizziness and lightheadedness, get up slowly when rising from a sitting or lying position.Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.Tell your doctor right away if you have any serious side effects, including: difficulty swallowing, shaking (tremor), signs of infection (such as fever, persistent sore throat), slow heartbeat, fainting, mental/mood changes (such as confusion, restlessness), numbness/tingling of arms/legs, yellowing eyes/skin, trouble urinating.This drug may infrequently make your blood sugar level rise, which can cause or worsen diabetes. Tell your doctor immediately if you develop symptoms of high blood sugar, such as increased thirst and urination. If you already have diabetes, be sure to check your blood sugars regularly. Your doctor may need to adjust your diabetes medication, exercise program, or diet.This drug may also cause significant weight gain and a rise in your blood cholesterol (or triglyceride) levels, especially in teenagers. These effects, along with diabetes, may increase your risk for developing heart disease. Discuss the risks and benefits of treatment with your doctor. (See also Notes section.)Olanzapine may rarely cause a condition known as tardive dyskinesia. In some cases, this condition may be permanent. Tell your doctor immediately if you develop any unusual/uncontrolled movements (especially of the face, lips, mouth, tongue, arms or legs).This medication may increase a certain natural substance (prolactin) made by your body. For females, this increase in prolactin may result in unwanted breast milk, missed/stopped periods, or difficulty becoming pregnant. For males, it may result in decreased sexual ability, inability to produce sperm, or enlarged breasts. If you develop any of these symptoms, tell your doctor immediately.Get medical help right away if you have any very serious side effects, including: seizures.This medication may rarely cause a very serious condition called neuroleptic malignant syndrome (NMS). Get medical help right away if you have any of the following symptoms: fever, muscle stiffness/pain/tenderness/weakness, severe tiredness, severe confusion, sweating, fast/irregular heartbeat, dark urine, change in the amount of urine.A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.In the US -Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.
PRECAUTIONS: Before taking olanzapine, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.Before using this medication, tell your doctor or pharmacist your medical history, especially of: liver problems, seizures, difficulty swallowing, low white blood cell count, dementia, difficulty urinating (for example, due to enlarged prostate), glaucoma (narrow angle), stomach/intestinal disease (such as blockage, paralytic ileus), smoking.Also tell your doctor or pharmacist if either you or a family member has a history of the following: diabetes, heart disease, high blood cholesterol/triglyceride levels, high blood pressure, obesity.This drug may make you dizzy or drowsy. Do not drive, use machinery, or do any activity that requires alertness until you are sure you can perform such activities safely. Avoid alcoholic beverages.Before having surgery, tell your doctor or dentist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products).This medication can make you more likely to get heat stroke, a very serious condition. Avoid activities that might cause you to overheat (such as doing strenuous work/exercise in hot weather, using hot tubs).Teenagers may be more sensitive to the side effects of this drug, especially weight gain, and also increased amounts of cholesterol, triglycerides, and prolactin. See also Side Effects section for more details.Older adults may be more sensitive to the side effects of this drug, especially drowsiness, constipation, trouble urinating, confusion, or dizziness upon standing. Drowsiness, confusion, and dizziness can increase the risk of falling.During pregnancy, this medication should be used only when clearly needed. Discuss the risks and benefits with your doctor. Do not stop taking this medication unless directed by your doctor. Babies born to mothers who have used this drug during the last 3 months of pregnancy may infrequently develop symptoms including muscle stiffness or shakiness, drowsiness, feeding/breathing difficulties, or constant crying. If you notice any of these symptoms in your newborn anytime during their first month, tell the doctor right away.This drug passes into breast milk and may have undesirable effects on a nursing infant. Consult your doctor before breast-feeding.
DRUG INTERACTIONS: Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without your doctor's approval.A product that may interact with this drug is: metoclopramide.Tell your doctor or pharmacist if you are taking other products that cause drowsiness including alcohol, antihistamines (such as cetirizine, diphenhydramine), drugs for sleep or anxiety (such as alprazolam, diazepam, zolpidem), muscle relaxants, and narcotic pain relievers (such as codeine).Check the labels on all your medicines (such as allergy or cough-and-cold products) because they may contain ingredients that cause drowsiness. Ask your pharmacist about using those products safely.
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OVERDOSE: If overdose is suspected, contact a poison control center or emergency room immediately. US residents can call their local poison control center at 1-800-222-1222. Canada residents can call a provincial poison control center. Symptoms of overdose may include: severe drowsiness/dizziness, fast/irregular heartbeat, unusual/uncontrolled movements, seizures.
NOTES: Do not share this medication with others.Laboratory and/or medical tests (such as blood sugar, weight, blood pressure, blood cholesterol/triglyceride levels, liver function tests) should be performed periodically to monitor your progress or check for side effects. Consult your doctor for more details.
MISSED DOSE: If you miss a dose, take it as soon as you remember. If it is near the time of the next dose, skip the missed dose and resume your usual dosing schedule. Do not double the dose to catch up.
STORAGE: Store at room temperature away from light and moisture. Do not store in the bathroom. Keep all medications away from children and pets.Do not flush medications down the toilet or pour them into a drain unless instructed to do so. Properly discard this product when it is expired or no longer needed. Consult your pharmacist or local waste disposal company.
Information last revised November 2013. Copyright(c) 2013 First Databank, Inc.
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