Chantix recall 2021-09-21 05:10:53.397542+02 by Dan Lyke 0 comments RT Eλf Sternberg @elfsternberg Irony! Anti-smoking drug causes cancer: Pfizer recalls all lots of Chantix for high levels of nitrosamine, which can increase cancer risk — Pfizer is voluntarily recalling lots of its popular anti-smoking drug Chantix for high levels of nitrosamine, which can increase the risk of cancer.