Zyban warnings, precautions

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.