It is recommended to avoid alcohol while taking Chantix. At the very least, you should drink the bare minimum until you know how the medication affects you. Some people have a lower than normal tolerance for alcohol when taking Chantix. There have been rare cases of aggressive behavior when people drink alcohol while taking Chantix and have no memory of the episode afterward.
This information is not, nor is it intended to be, a substitute for professional medical advice, diagnosis, or treatment, and should never be relied upon for specific medical advice. If you have any questions or concerns, please talk to your doctor.