Some side effects of varenicline may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects.

Do the side effects of Chantix go away?

Some side effects of varenicline may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects.

How long does Chantix last after quitting?

You should take CHANTIX for the full 12 or 24 weeks (3 or 6 months), depending on the quit approach you and your healthcare provider decide is right for you.