Sanofi-Aventis will acquire Chattem, Inc. for $1.9 billion, in order to gain a U.S. presence in OTC healthcare. Chattem brands include Gold Bond, Icy Hot, ACT, Cortizone-10, Selsun Blue and Unisom. SA plans to convert its Allegra allergy relief drug from prescription to OTC; the Chattem unit would take over that brand. “The acquisition of Chattem will be a significant milestone in SA’s transformation strategy and will provide us with the ideal platform in the U.S. consumer healthc...