see your doctor right away as some can be life-threatening. tell your doctor if you have a history of heart or blood vessel problems, or develop new or worse symptoms. get medical help right away if you have symptoms of a heart attack or stroke. decrease alcohol use while taking chantix. use caution when driving or operating machinery. common side effects include nausea, trouble sleeping and unusual dreams. i love myself as a non-smoker. ask your doctor if chantix is right for you. katy pesoft and fullntrary, how dlike a flower,grow? with new covergirl full lash bloom mascara.