quit smoking - Tell a friend Section

Chantix (varenicline) is used to help people stop smoking. Chantix is in a class of medications called smoking cessation aids. It works by blocking the pleasant effects of nicotine (from smoking) on the brain.
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Chantix (varenicline) is used to help people stop smoking. Chantix is in a class of medications called smoking cessation aids. It works by blocking the pleasant effects of nicotine (from smoking) on the brain.