(varenicline tartrate)
Medication Guide
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Prescribing Information
How should I take CHANTIX?
Weeks 1 through 4
Reduce your smoking to reach one-half of your starting daily number of cigarettes.
Example: If you usually smoke 20 cigarettes each day, reduce your smoking to 10 cigarettes each day during weeks 1 through 4.
Weeks 5 through 8
Reduce your smoking to reach one-quarter of your starting daily number of cigarettes.
Example: If you usually smoked 20 cigarettes each day, reduce your smoking to 5 cigarettes each day during weeks 5 through 8.
Weeks 9 through 12
Keep reducing your smoking until you are no longer smoking (you reach zero cigarettes each day).
Day 1 to Day 3
Day 4 to Day 7
Day 8 to end of treatment
Additional Resources
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Pfizer Safety Reporting Site
*If you are involved in a clinical trial for either product, adverse events should be reported to your coordinating study site.
If you cannot use the above website to report an adverse event related to a Pfizer medication, please call (800) 438-1985.
You may also contact the U.S. Food and Drug Administration (FDA) directly to report adverse events or product quality concerns either online at www.fda.gov/medwatch or by calling (800) 332-1088.