“…Others in the list include alosetron (Lotrenex), astemizole (Hismanal), bromfenac (Duract), cisapride (Propulsid), dexfenfluramine (Redux), fenfluramine (Pondimin), grepafloxacin (Razar), mibefradil (Posicor), phenylpropanolamine (various generics), terfenadine (Seldane), and troglitazone (Rezulin). 2 Postmarketing surveillance techniques allow the FDA to discover untoward effects of medications and report these findings back to healthcare providers. However, if healthcare providers are not adequately apprised of labeling changes or are otherwise not informed of important safety information, it may be impossible to make informed decisions about appropriate medication regimens.…”