Qnexa includes phentermine, one half of the fen phen diet drug combination.

The U.S. Food and Drug Administration (FDA) has announced it will extend its review of a new weight-loss drug called Qnexa in order to evaluate the drug’s possible side effects. If approved, the drug would be only the second prescription diet pill to reach the market since the FDA ordered a full-scale recall of fen phen in 1997. Continue reading →