Zyprexa is an atypical antipsychotic known chemically as Olanzapine USP, belonging to the thienobenzodiazepine class. It is formulated as a tablet with olanzapine available in strengths of 2.5 mg, 5 mg, 7.5 mg, 10 mg, 15 mg, and 20 mg, intended for oral administration. Key inactive ingredients include crospovidone, hydroxypropyl cellulose, and magnesium stearate.

How should I use this medication?

Take this medication by mouth. Swallow it with a drink of water. Follow the directions on the prescription label. Take your medication at regular intervals. Do not take it more often than directed. Do not stop taking except on the advice of your care team. 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.

What if I miss a dose?

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.

Where should I keep my medication?

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.

What side effects may I notice from receiving this medication?

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 -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.

What should I tell my care team before I take this medication?

They need to know if you have any of these conditions: -Bowel blockage -Constipation -Dementia -Diabetes -Glaucoma -Have trouble controlling your muscles -Heart disease -High cholesterol -High levels of prolactin -History of breast cancer -History of irregular heartbeat -History of stroke -Liver disease -Low blood cell levels (white cells, red cells, and platelets) -Low blood pressure -Parkinson disease -Prostate disease -Seizures -Suicidal thoughts, plans, or attempt by you or a family member -Tobacco use -Trouble passing urine -Trouble swallowing -An unusual or allergic reaction to olanzapine, other medications, foods, dyes, or preservatives -Pregnant or trying to get pregnant -Breastfeeding

What may interact with this medication?

Do not take this medication with any of the following: -Cisapride -Dronedarone -Ketoconazole -Levoketoconazole -Metoclopramide -Pimozide -Thioridazine This medication may also interact with the following: -Alcohol -Benzodiazepines, such as alprazolam, diazepam, lorazepam -Certain antihistamines -Certain medications for depression, such as amitriptyline or trazodone -Certain medications for seizures, such as phenobarbital or primidone -Medications that cause drowsiness before a procedure, such as propofol -Medications that help you fall asleep -Medications that relax muscles -Opioids for pain or cough -Other medications that cause heart rhythm changes -Phenothiazines, such as chlorpromazine or prochlorperazine

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.

What should I watch for while using this medication?

Visit your care team for regular checks on your progress. Tell your care team if your symptoms do not start to get better or if they get worse. Do not suddenly stop taking this medication. You may develop a severe reaction. Your care team will tell you how much medication to take. If your care team wants you to stop the medication, the dose may be slowly lowered over time to avoid any side effects. 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. You may also notice a red rash with swelling of the face, lips, or lymph nodes in your neck or under your arms. This medication may affect your coordination, reaction time, or judgment. Do not drive or operate machinery until you know how this medication affects you. Sit up or stand slowly to reduce the risk of dizzy or fainting spells. Drinking alcohol with this medication can increase the risk of these side effects. Your mouth may get dry. Chewing sugarless gum or sucking hard candy and drinking plenty of water may 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. If you have diabetes, ask your care team if changes in diet or medications are needed. 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.

What are the most serious risks of this medication?

This medication should not be used to treat mood and behavior changes caused by dementia. It may increase the risk of death in older adults with dementia.