You should start taking this medicine while you are still smoking and set a 'target stop date' for within the first two weeks of treatment. This is because the medicine needs time to start working.

The dose is increased gradually in the first week of treatment and the medicine is then taken twice a day for 12 weeks. If you have successfully managed to stop smoking at the end of 12 weeks, your doctor may offer you a further 12 week course of treatment.The tablets should be swallowed whole with a drink of water. They can be taken with or without food.

For more information, about any other possible risks associated with this medicine, please read the information provided with the medicine or consult your pharmacist. It is important to tell pharmacist what medicines you are already taking, including those bought without a prescription and herbal medicines, before you start treatment . Similarly, check with your doctor or pharmacist before taking any new medicines while taking this one, to ensure that the combination is safe.