Most Common Medical Uses
Zyban is most commonly used to help people stop smoking by reducing withdrawal effects. It may also be used to treat other conditions as determined by your doctor.

How to Take This Medication
Take as directed, usually twice daily for 7 to 12 weeks. Do not take more or less medication than prescribed. Swallow this medication whole. Do not crush, chew, or break the sustained-release tablets. They are specially formulated to release slowly in your body. Single doses of Zyban should not exceed 150 mg and doses should be taken at least 8 hours apart with a maximum daily dose of 300 mg. Since this drug can cause sleeplessness at first, it is best not to take near bedtime. It is advised to continue smoking for the first week after starting this drug, until it reaches higher levels in your blood. Do not smoke if using any nicotine products with this drug. Too much nicotine can cause serious side effects.

Possible Side Effects
Possible side effects of Zyban include dry mouth, headache, increased sweating, constipation, anxiety and fatigue may occur. If these effects persist or worsen, notify your doctor. Side effects other than those listed here may also occur. Talk to your doctor about any side effect that seems unusual or that is especially bothersome.

Precautions
Before taking Zyban tell your doctor if you have a history of seizures, head injury, brain tumor; heart, liver or kidney disease, an eating disorder or any mental conditions, diabetes or if you have any allergies. Do not take Zyban if you have epilepsy or another type of seizure disorder, or if you have ever been diagnosed with anorexia or bulimia. Alcohol can increase your risk of seizures. Limit or avoid consumption of alcoholic beverages. Chronic alcohol users who suddenly stop the intake of alcohol while taking Zyban may increase the risk of having seizures. Suddenly stopping certain tranquilizers (e.g., diazepam, chlordiazepoxide) is not recommended because doing so may increase the risk of having seizures. Elderly patients may be more sensitive to the effects of this drug. Tell your doctor if you are pregnant or plan to become pregnant before taking this drug. Do not take Zyban without first talking to your doctor if you are breast-feeding a baby.

Drug Interactions
Do not take Zyban if you have taken a monoamine oxidase inhibitor (MAOI) such as isocarboxazid (Marplan), phenelzine (Nardil), or tranylcypromine (Parnate) in the last 14 days. Many drugs can interact with Zyban, resulting in side effects and / or decreased effectiveness of the medication. Talk to your doctor and/or pharmacist before taking any prescription or over-the-counter medicines, including herbal products.

Missed Dose
If you miss a dose of this medicine, skip the missed dose and take only your next regularly scheduled dose. Do not take a double dose.

Storage
Store this medicine at room temperature, 77 degrees F (25 degrees C) in a tightly-closed container, away from heat, moisture, and light. Keep this and all medications out of the reach of children.

Notes
Do not share Zyban with others for whom it was not prescribed, since they may have a problem that is not effectively treated by this drug.

Disclaimer

This Information may change. Therefore, read the product information leaflet provided with the product before using it !!