Zyban is indicated as an aid to smoking cessation treatment.
Zyban comes as a tablet to take it orally. It is usually taken twice a day and may be taken with or without food. It is important to swallow Zyban Tablets whole. Do not chew, divide, or crush tablets.
Do not take Zyban if you have taken a monoamine oxidase inhibitor (MAOI) in the last 14 days.
Zyban is in the FDA pregnancy category B. This means that it is not expected to be harmful to an unborn baby. Do not take Zyban without first talking to your doctor if you are pregnant or could become pregnant during treatment.
It is not known whether Zyban will be harmful to a nursing baby. Do not take Zyban without first talking to your doctor if you are breast-feeding a baby.
If you forget to take a dose, do not take an extra tablet to catch up for the dose you forgot. Wait and take your next tablet at the regular time. Do not take more tablets than your doctor prescribed. This is important so you do not increase your chance of having a seizure.
Possible Side Effects
Like all medicines, Zyban may cause side effects. Do not rely on this summary alone for information about side effects. Your doctor can discuss with you a more complete list of side effects that may be relevant to you. Hypertension (high blood pressure), in some cases severe, has been reported when taking Zyban alone and in combination with nicotine replacement therapy (for example a nicotine patch). The most common side effects include dry mouth and difficulty sleeping. These side effects are generally mild and often disappear after a few weeks. If you have difficulty sleeping, avoid taking your medicine too close to bedtime.
The most common side effects that stopped taking Zyban during clinical studies were shakiness and skin rash.
Stop taking Zyban and contact your doctor or health care professional if you have signs of an allergic reaction such as a rash, hives, or difficulty in breathing. It is not possible to predict whether a mild rash will develop into a more serious reaction. Therefore, if you experience a skin rash, hives, fever, swollen lymph glands, painful sores in the mouth or around the eyes, or swelling of lips or tongue, tell a doctor immediately, since these symptoms may be the first signs of a serious reaction. Discuss any other troublesome side effects with your doctor.
Store Zyban at room temperature, out of direct sunlight. Keep Zyban in a tightly closed container. Keep Zyban out of the reach of children.
Seek emergency medical attention if an overdose is suspected. Symptoms of a Zyban overdose include seizures, hallucinations, loss of consciousness, weakness, a fast heartbeat, and heart attack.
Avoid alcohol or drink it only in moderation while taking Zyban. Alcohol may increase the risk of having a seizure while taking Zyban. However, if you usually drink a lot of alcohol, talk with your doctor before stopping. Suddenly stopping may increase the risk of having a seizure. Talk to your doctor about alcohol use before starting treatment with Zyban.
Use caution when driving, operating machinery, or performing other hazardous activities. Zyban may cause dizziness or drowsiness. If you experience dizziness or drowsiness, avoid these activities.
This drug information is for your information purposes only, it is not intended that this information covers all uses, directions, drug interactions, precautions, or adverse effects of your medication. This is only general information, and should not be relied on for any purpose. It should not be construed as containing specific instructions for any particular patient. We disclaim all responsibility for the accuracy and reliability of this information, and/or any consequences arising from the use of this information, including damage or adverse consequences to persons or property, however such damages or consequences arise. No warranty, either expressed or implied, is made in regards to this information.