tell your doctor about any history of depression or other mental health problems, which could get worse while taking chantix. don t take chantix if you ve had a serious allergic or skin reactioto it. if you develop these, stop taking chantix and see your doctor right away as some can be life-threatening. if you have a history of heart orlood vessel problems, tell your doctor if you have new or worse symptoms. get medical help right away if you have symptoms of a heart attack. use caution when driving or operating machinery. common side effects include nausea, trouble sleeping and unusual dreams. my inspiration for quitting were my sons. they were my little cheering squad. [ laughs ] [ male announcer ] ask your doctor if chantix is right for you. shepard: today protesters surrounded a peacekeeping envoy at united nations. after a government bomb attack in the 14-month uprising there. the twin suicide bomb blast killed dozens. and hurt 400 others.