fen-phen

An expert panel will review Vivus' potential blockbuster drug Qnexa on Thursday, with the FDA making a decision in October. The FDA acknowledges the drug's effectiveness in cutting weight, but Qnexa will certainly draw scrutiny over its side effects.

If you've struggled with weight loss, it's possible a doctor may have prescribed you the drug phentermine. It comes from the amphetamine family (its name is a composite of phenyl-tertiary-butylamine) and therefore is a Class IV controlled substance, putting it in the same league as Xanax, Valium...