If you experience any strange side effects while taking this medicine, contact your doctor right away. You or your doctor can submit a report to the Food and Drug Administration's (FDA) MedWatch Adverse Event Reporting program online at http://www.fda.gov/Safety/MedWatch or by phone at 1-800-332-1088 if you experience a serious side effect. If you experience any of the following symptoms or those listed in the IMPORTANT WARNING section or the SPECIAL PRECAUTIONS section, call your doctor immediately: dizziness, feeling unsteady, or having trouble keeping your balance restlessness unusual behavior depression difficulty falling asleep or staying asleep weakness difficulty walking constipation weight gain dry mouth pain in arms, legs, back, or joints breast enlargement or discharge late or missed menstrual periods decreased sexual ability seizures changes in vision swelling of the arms, hands, feet, ankles, or lower legs unusual movements of your face or body that you cannot control falling sore throat, fever, chills, and other signs of infection very stiff muscles excess sweating fast or irregular heartbeat rash that may occur with fever, swollen glands, or swelling of the face skin redness or peeling hives difficulty breathing or swallowing Olanzapine may cause other side effects. Olanzapine might have adverse effects. The amount of fat in your blood may rise if you take olanzapine. The risks of treating your child with olanzapine should be discussed with your child's physician. The risks of taking olanzapine should be discussed with your doctor. Teenagers taking olanzapine are more likely than adults to gain weight, have higher blood fat levels, experience liver issues, and have side effects like sleepiness, breast enlargement, and discharge from the breasts. Tell your doctor if any of these symptoms are severe or persistent, including dizziness, unsteadiness, or trouble maintaining balance, restlessness, unusual behavior, depression, difficulty falling or staying asleep, weakness while moving around, constipation, weight gain, dry mouth, late or missed periods, decreased sexual ability, seizures, changes in vision, swelling of the hands, feet, arms, or breasts. A different drug without these risks might be suggested as a first step by your child's doctor.
Injurious CNS effects and orthostatic hypotension may be amplified by alcohol. Don't drink. Take with or without food. Food has no impact on how well olanzapine is absorbed.
Also tell your doctor if you have ever had to stop taking a medication for mental illness because of severe side effects. tell your doctor if you are pregnant, especially if you are in the last few months of your pregnancy, or if you plan to become pregnant or are breastfeeding. Be sure to mention any of the following: antidepressants; antihistamines; carbamazepine (Tegretol); dopamine agonists such as bromocriptine (Parlodel), cabergoline (Dostinex), levodopa (Dopar, Larodopa), pergolide (Permax), and ropinirole (Requip); fluoroquinolone antibiotics including ciprofloxacin (Cipro), gatifloxacin (Tequin) (not available in the United States), levofloxacin (Levaquin), norfloxacin (Noroxin), ofloxacin (Floxin), others; fluvoxamine (Luvox); ipratropium (Atrovent); medications for anxiety, high blood pressure, irritable bowel disease, mental illness, motion sickness, Parkinson's disease, seizures, ulcers, or urinary problems; omeprazole (Prilosec); rifampin (Rifadin); sedatives; sleeping pills; ticlopidine (Ticlid); and tranquilizers. Inform your doctor and pharmacist what prescription and nonprescription drugs, vitamins, dietary supplements, and herbal products you are taking or plan to take before beginning olanzapine, if you have any allergies to it or any other medications. You should be aware that you may experience hyperglycemia (increases in your blood sugar) while taking this medication, even if you do not already have diabetes, and that smoking cigarettes may reduce the effectiveness of this medication. While taking olanzapine, refrain from consuming alcohol, and let your doctor know if you smoke. You should be aware that alcohol can increase the drowsiness brought on by this medication, so you should not drive a car or operate machinery until you know how it affects you. Call your doctor right away if you get pregnant while taking olanzapine. You are more likely to develop diabetes if you have schizophrenia than you are if you don't, and taking olanzapine or other similar drugs may make you more likely to develop diabetes if you already have the disorder. Calling your doctor as soon as you experience any of these symptoms is crucial because high blood sugar can result in the serious condition known as ketoacidosis. If ketoacidosis is not treated right away, it could become life-threatening. Ensure that your child complies with all directions from the therapist or doctor. If olanzapine is taken during the final months of pregnancy, it may cause problems for newborns after delivery. If you are having surgery, including dental surgery, let your doctor or dentist know that you are taking olanzapine. You should be aware that olanzapine may cause fast or slow heartbeat, dizziness, lightheadedness, and fainting when you get up quickly from a lying position. Symptoms of ketoacidosis include dry mouth, nausea, vomiting, shortness of breath, breath that smells fruity, and decreased consciousness. Inform your doctor right away if you have constipation, severe vomiting or diarrhea, or any other symptoms of dehydration, or if these symptoms start to appear at any point while you are receiving treatment. If you have phenylketonuria (PKU, an inherited condition requiring a special diet to prevent damage to your brain that can cause severe intellectual disability), you should be aware that the orally disintegrating tablets contain aspartame, which converts to phenylalanine. you should also be aware that olanzapine must be used as part of a comprehensive treatment program when treating teenagers. While taking olanzapine, if you experience any of the following symptoms, contact your doctor right away: extreme thirst, frequent urination, extreme hunger, blurred vision, or weakness. This is more common when you first start taking olanzapine. You should be aware that olanzapine may make it harder for your body to cool down when it gets very hot, so get out of bed slowly and rest your feet on the floor for a few minutes before standing up to prevent this issue. Your doctor may need to change the doses of your medications or monitor you carefully for side effects. 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 mini-stroke, heart disease or a heart attack, an irregular heartbeat, heart failure, urinary problems, 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, a low number of white blood cells, liver or prostate disease, paralytic ileus (condition in which food cannot move through the intestine); glaucoma (an eye condition), or high blood sugar, or if you or anyone in your family has or has ever had diabetes.