Before receiving olanzapine injection or olanzapine extended-release injection,
tell your doctor and pharmacist if you are allergic to olanzapine, any other medications, or any of the ingredients in olanzapine injection or olanzapine extended-release injection. Ask your pharmacist or check the Medication Guide for a list of the ingredients.
tell your doctor and pharmacist what prescription and nonprescription medications, vitamins, nutritional supplements, and herbal products you are taking or plan to take. Be sure to mention any of the following: antihistamines (in cough and cold medications); carbamazepine (Carbatrol, Equetro, Tegretol); diazepam (Valium); fluvoxamine (Luvox); dopamine agonists such as bromocriptine (Parlodel), cabergoline (Dostinex), levodopa (Dopar, Laradopa); pramipexole (Mirapex), and ropinirole (Requip); medications for anxiety, high blood pressure, irritable bowel disease, mental illness, motion sickness, pain, Parkinson's disease, ulcers, or urinary problems; omeprazole (Prilosec, in Zegerid); rifampin (Rifadin, Rimactane, in Rifamate, in Rifater); sedatives; sleeping pills, and tranquilizers. Your doctor may need to change the doses of your medications or monitor you carefully for side effects.
tell your doctor if you have a low number of white blood cells or if any other medication has ever caused a decrease in your white blood cells. Also tell your doctor if you use or have ever used street drugs or have overused prescription medications and if you have or have ever had a stroke, a ministroke, heart disease, a heart attack, heart failure, an irregular heartbeat, seizures, breast cancer, any condition that makes it difficult for you to swallow, trouble keeping your balance, high or low blood pressure, a high level of fats (cholesterol and triglycerides) in your blood, paralytic ileus (condition in which food cannot move through the intestine); glaucoma (an eye condition), high blood sugar, diabetes, or liver or prostate disease. Tell your doctor if you have severe vomiting, diarrhea or signs of dehydration now, or if you develop these symptoms at any time during your treatment. Also tell your doctor if you have ever had to stop taking a medication for mental illness because of severe side effects or have or have had thoughts about harming or killing yourself.
tell your doctor if you are pregnant, especially if you are in in the last few months of your pregnancy, if you plan to become pregnant, or if you are breastfeeding. If you become pregnant during your treatment with olanzapine injection, call your doctor.
if you are having surgery, including dental surgery, tell the doctor or dentist that you are being treated with olanzapine injection.
you should know that receiving olanzapine injection or olanzapine extended-release injection may make you drowsy and may affect your ability to think clearly, make decisions, and react quickly. Do not drive a car or operate machinery for the rest of the day after you receive olanzapine extended-release injection. Do not drive a car or operate machinery at other times during your treatment with olanzapine extended-release injection or during your treatment with olanzapine injection until you know how this medication affects you.
you should know that alcohol can add to the drowsiness caused by this medication. Do not drink alcohol during your treatment with olanzapine.
tell your doctor if you use tobacco products. Cigarette smoking may decrease the effectiveness of this medication.
you should know that olanzapine injection and olanzapine extended-release injection may cause dizziness, lightheadedness, fast or slow heartbeat, and fainting when you get up too quickly from a lying position, especially right after you receive your injection. If you feel dizzy or drowsy after you receive your injection, you will need to lie down until you feel better. During your treatment, you should get out of bed slowly, resting your feet on the floor for a few minutes before standing up.
you should know that you may experience hyperglycemia (increases in your blood sugar) while you are taking this medication, even if you do not already have diabetes. If you have schizophrenia, you are more likely to develop diabetes than people who do not have schizophrenia, and receiving olanzapine injection, olanzapine extended-release injection or similar medications may increase this risk. Tell your doctor immediately if you have any of the following symptoms during your treatment: extreme thirst, frequent urination, extreme hunger, blurred vision, or weakness. It is very important to call your doctor as soon as you have any of these symptoms, because high blood sugar can cause a serious condition called ketoacidosis. Ketoacidosis may become life-threatening if it is not treated at an early stage. Symptoms of ketoacidosis include dry mouth, nausea and vomiting,shortness of breath, breath that smells fruity, and decreased consciousness.
you should know that olanzapine injection or olanzapine extended-release injection may make it harder for your body to cool down when it gets very hot. Tell your doctor if you plan to do vigorous exercise or be exposed to extreme heat. Be sure to drink plenty of water and call your doctor if you experience any of the following symptoms: feeling very hot, sweating heavily, not sweating even though it is hot, dry mouth, excessive thirst, or decreased urination.