Zyban reduces the craving for smoking and so helps you to stop smoking. Its exact mechanism of action is not fully understood, but it is believed that it interacts with chemicals in the brain called noradrenaline and dopamine, which are associated with craving and withdrawal. Your doctor may have prescribed Zyban for another reason. If you have any questions about why Zyban tablets have been prescribed for you, ask your doctor. Zyban may affect other medicines you may be taking.
Some medicines increase the effect of others, and others counteract each other.
It is important not to take medicines that may increase your chance of having a seizure. Make sure that your doctor knows what other medicines or herbal remedies you are taking, including those that you have bought yourself from a pharmacy or supermarket. This also includes nicotine patches. How to take Zyban tablets Take your medicine as your doctor has told you. The usual recommended dose is one 150 mg tablet each day for the first 3 days.