...especially in young women. The ingredient, called phenylpropanolamine or PPA, is found in products ranging from Dexatrim to Triaminic. The FDA said it is taking steps to formally ban PPA, but meeting the legal requirements will take a few months. So meanwhile...

...to decide what to do. Manufacturers that refused to reveal their plans include Novartis Corp., maker of PPA-containing Triaminic and Tavist-D; Bayer Corp., maker of Alka-Seltzer Plus cold medicines; and Chattem Inc., maker of Dexatrim diet pills...