Description: 
CHANTIX® (varenicline) is a prescription medicine to help adults 18 and over stop smoking. You may benefit from quit-smoking support programs and/or counseling during your quit attempt. It's possible that you might slip up and smoke while taking CHANTIX. If you do, you can stay on CHANTIX and keep trying to quit. (From Their Website)
Source: 
Pfizer Inc
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