They all work to ease the symptoms of nicotine withdrawal.
Explanation:
Bupropion is an antidepressant medication used to treat major depressive disorder and seasonal affective disorder. The Zyban brand of bupropion is used to help people stop smoking by reducing cravings and other withdrawal effects.
Chantix is a nicotinic agonist—it attaches to nicotine receptors in the brain, so that nicotine cannot.
