Unfortunately, unforeseen side effects apparently emerged when Redux and Pondimin were combined with another diet drug, phentermine.
FORBES: Wyeth's Diet Drug Risk Gets Fatter
2.
Redux and Pondimin caused damage to heart valves when used with the diet drug phentermine as part of fen-phen.
FORBES: Disaster Of The Day: American Home Products
3.
Wyeth's diet pills, Redux (dexfenfluramine) and Pondimin (fenfluramine), were taken by 6 million Americans before getting yanked off the market in 1997 because of a link to heart-valve defects.