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Information relating to specific disease areas aligned to Pfizer’s portfolio and other resources designed for Pfizer medicines.

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Champix® (varenicline tartrate) Prescribing Information.  Adverse event reporting information can be found at the bottom of the page.

Different Ways to Quit with Champix

Allow your patients to quit smoking on their terms with CHAMPIX, with 3 proven methods to quit1​​​​​​​:


For patients who want to put down their cigarettes in a week1.
Day 0: Start taking Champix. Set a quit date at day 8.


For patients who want more time to put down their cigarettes. *

​​​​​​​A flexible quit date between days 8-35 is as effective as quitting abruptly1,2

Day 0: Start taking Champix. Set a quit date between days 8 and 35.


Champix also allows patients to quit gradually, reducing smoking over the first 12 weeks and quitting by the end of that period, followed by an additional 12 weeks of treatment.​​​​​​​1,4.



Day 0

Start taking Champix

Week 4

Reduce smoking by baseline 50% during weeks 1-4

Week 8

Reduce smoking by an additional 50% during weeks 5-8

Week 12

Continue reducing with the goal of reaching complete abstinence by week 12

Continue taking Champix for an additional 12 weeks

Week 24

Stop taking Champix

*For patients who have successfully stopped smoking at the end of 12 weeks, an additional course of 12 weeks' treatment with CHAMPIX is recommended to further increase the likelihood of long term abstinence. ​​​​Patients that adhere to the 12-week course of CHAMPIX have a significantly higher rate of abstinence.3​​​​​​​

  1. Champix Summary of Product Characteristics.
  2. Rennard S, et al. A randomised placebo-controlled trial of varenicline for smoking cessation, allowing flexible quit dates. Nicotine Tob Res. 2012;14:343-350
    3. Hays JT, et al. Adherance to treatment for tobacco dependence. Association with smoking abstinence and predictors of adherence. Nicotine Tob Res. 2010;12:574-581.
    4. Ebbert JO, et al. Effect of varenicline on smoking cessation through smoking reduction. A randomized clinical trial. JAMA. 2015;313:687-694
PP-CHM-GBR-3359. June 2021

Resources for you

Learn more about how using Very Brief Advice (VBA) and Brief Support and Treatment (BST) can help a smoker gain the motivation and support needed, to quit successfully.

Learn more

Support material for Champix patients

Download support material for patients prescribed Champix.


For UK Healthcare Professionals*

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*The ABPI Code definition for healthcare professional is members of the medical, dental, pharmacy and nursing professionals and any other persons who in the course of their professional activities may administer, prescribe, purchase, recommend or supply a medicine.

PP-PFE-GBR-2688. December 2020