In January 2008, Pfizer added a prominent warning to the label of its smoking-cessation drug Chantix about the potential risks of suicidal behavior, depressed mood and other potential side effects. This came after a November 2007 update to Chantix's "post-marketing experience" section which said there had been reports of depressed mood, agitation, changes in behavior, suicidal ideation and suicide in patients attempting to quit smoking while taking Chantix.
Chantix works by regulating the dopamine level in the brain. Dopamine is a hormone and neurotransmitter in the brain that helps control mood and behavior. The thinking behind Chantix is that regulating the dopamine can remove some of the pleasure derived from smoking.
Dopamine also helps control motivation, learning, motor movement, and hormones to circulate blood. Regulating dopamine levels might reduce the desire to smoke but it may have other serious adverse effects.
If you or a loved one suffered an injury while taking Chantix you may have valuable legal rights. Mark & Associates, P.C. offers a free case consultation to all Chantix users and their families. To learn about your legal rights, please call 1-866-507-4448 or submit an evaluation form on the right side of this page.
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Chantix side effects