Pfizer Inc. Defends Anti-Smoking Drug Chantix; Drug Safe For Those With Mental Illness

NEW YORK (AP) -- Pfizer Inc. said Thursday it believes its anti-smoking drug Chantix, which has been linked to depression and suicidal thoughts, can be prescribed to patients with mental illness. In an interview with The Associated Press, Pfizer Senior Medical Director Dr. Martina Flammer, who is also the medical team leader for Chantix, said that patients with a history of mental illness who are considering taking Chantix should let their doctors know of their condition.