Pfizer's smoking cessation drug Chantix may cause depression and suicidal thoughts, according to the FDA.

Since it seems almost any new prescription drug causes some bizarre array of side effects, it seems appropriate that Chantix is one of them. Doctors have reported severe mood swings, suicidal thoughts and depression from patients taking he drug.

What do do? Quit some other way, that's what. Although the FDA told the media that patients shouldn't stop taking Chantix (not just yet, anyway), doctors need to monitor those patients very closely. Yeah, I am sure that will happen fast. Here's an idea: stop taking Chantix. Use another smoking cessation aid.