Some people experience new or worse mental health problems, such as changes in behavior or thinking, aggression, hostility, agitation, depressed mood, or suicidal thoughts or actions while taking or after stopping CHANTIX.

Aim to quit by the end of the 12th week of treatment, or sooner if you feel ready. Continue to take CHANTIX for another 12 weeks, for a total of 24 weeks of treatment.

According to its manufacturers, Chantix binds to the receptors in your brain where nicotine normally binds. Because of the drug's presence, nicotine can't bind to these brain receptors and cause the drop in dopamine that creates nicotine cravings (1). Doctors often prescribe Chantix before you stop smoking.

Most people will take CHANTIX for up to 12 weeks. If you have completely quit smoking by 12 weeks, your healthcare provider may prescribe CHANTIX for another 12 weeks to help you stay cigarette-free. Take CHANTIX after eating and with a full glass (8 ounces) of water. This dosing schedule may not be right for everyone.

Most will go away once you finish your treatment with Chantix. But whether your symptoms are mild or severe, it's always a good idea to keep your healthcare provider in the loop. If you're having severe symptoms like severe stomach pain, an abnormal rash, or mood changes, call your healthcare provider right away.

Consumer Reports Best Buy Drugs has long advised against Chantix as a first-choice treatment to stop smoking because of its association with thousands of reports of people having homicidal and suicidal thoughts, aggression, and delusions after taking it, according to reports compiled by the nonprofit Institute for Safe ...

The most common adverse event associated with CHANTIX treatment is nausea, occurring in 30% of patients treated at the recommended dose, compared with 10% in patients taking a comparable placebo regimen [see Warnings and Precautions (5.9)].

Then you pick a quit date that is 8 to 35 days after you start taking varenicline. Be sure to quit smoking on the quit date you've set.

Consumer Reports Best Buy Drugs has long advised against Chantix as a first-choice treatment to stop smoking because of its association with thousands of reports of people having homicidal and suicidal thoughts, aggression, and delusions after taking it, according to reports compiled by the nonprofit Institute for Safe ...

The most common adverse event associated with CHANTIX treatment is nausea, occurring in 30% of patients treated at the recommended dose, compared with 10% in patients taking a comparable placebo regimen [see Warnings and Precautions (5.9)].

Pfizer halted the production of Chantix (varenicline tartrate) in July 2021 and recalled select lots due to elevated nitrosamine levels, according to the report in Journal of the American Medical Association Network Open.

Who should not take Champix? In general Champix is considered to be a safe medication for most people. Some caution should be taken in certain patients, particularly those with mental health problems.