What could cause me to get violently ill from taking chantix?

Violently I'll?: Not sure what you mean. All medications have side effects some of which can be very serious. If you are as concerned as this question implies, please get help immediately. Go to your nearest er or call 911!

Physical or mental?: A # of my patients experienced extreme problems w depression, anxiety ; suicidal / homicidal thoughts on chantix. The fda requires a black box warning for chantix. Per http://www.Aboutlawsuits.Com/chantix-black-box-suicide-warning-4684/ "a boxed warning will notify consumers that the smoking cessation drug may ^ the risk of changes in behavior, depression, hostility ; suicidal thoughts.".