Generic Name: Varenicline
Brand Names: Chantix, Champix
Manufacturer: Pfizer

Chantix/Champix is a selective nicotinic receptor modulator used as part of a program to help you quit smoking. Chantix is a relatively new medication used for smoking cessation. It was especially designed for this purpose. It is an oral pill taken daily, and it significantly reduces the effects of withdrawal symptoms. It should not be combined with nicotine replacement therapy. Chantix carry a warning regarding serious mental health side effects that may occur while using the medication, or immediately after stopping it. These uncommon but potentially serious side effects include "changes in behavior, agitation, depressed mood, suicidal ideation and suicidal behavior." People taking Chantix, as well as their family members, should be aware of these potential dangers and report any symptoms to their doctor immediately