The serious problems — including reports of completed suicides, suicide attempts, aggression and hostility and
depression — had been mixed among some 26,000 records of non-serious
side effects such as nausea and rashes, with some dating back to 2006, the year Chantix, or varenicline, was approved.
They echo previous claims that the drug can induce extreme reactions in people trying to quit cigarettes, including vivid nightmares, crippling depression and sudden, violent outbursts.