DRUG INTERACTIONS: The effects of some drugs can change if you take other drugs or herbal products at the same time. This can increase your risk for serious side effects or may cause your medications not to work correctly. These drug interactions are possible, but do not always occur. Your doctor or pharmacist can often prevent or manage interactions by changing how you use your medications or by close monitoring.

To help your doctor and pharmacist give you the best care, be sure to tell your doctor and pharmacist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products) before starting treatment with this product. While using this product, do not start, stop, or change the dosage of any other medicines you are using without your doctor's approval.

Some products that may interact with this drug include: drugs for high blood pressure, drugs for Parkinson's disease (such as levodopa, pramipexole, ropinirole), sibutramine.

Other medications can affect the removal of olanzapine from your body, which may affect how olanzapine works. Examples include carbamazepine, fluvoxamine, omeprazole, rifampin, among others.

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.

This document does not contain all possible drug interactions. Keep a list of all the products you use. Share this list with your doctor and pharmacist to lessen your risk for serious medication problems.

OVERDOSE: If overdose is suspected, contact a poison control center or emergency room immediately. US residents can call the US National Poison Hotline at 1-800-222-1222. Canada residents can call a provincial poison control center. Symptoms of overdose may include: severe drowsiness, slurred speech, slowed breathing, or seizures.

NOTES: Laboratory and/or medical tests (such as blood sugar, complete blood count, weight, blood fats/triglyceride levels, liver function tests, blood pressure) should be performed periodically to monitor your progress or check for side effects. Consult your doctor for more details.

Talk with your doctor about ways to control weight gain, such as eating a healthy, balanced diet, and exercising.

MISSED DOSE: For the best possible benefit, it is important to receive each scheduled dose of this medication as directed. If you miss a dose, contact your doctor or pharmacist immediately to establish a new dosing schedule.

STORAGE: Not applicable. This medication is given in a hospital or clinic and will not be stored at home.

Information last revised May 2012. Copyright(c) 2012 First Databank, Inc.