LOS ANGELES, CA--(Marketwire - January 07, 2008) - Auriga Laboratories, Inc. (OTCBB: ARGA), a specialty pharmaceutical company, announced today the signing of a co-promotion agreement with MiddleBrook Pharmaceuticals, Inc., pursuant to which Auriga will co-promote Keflex® 750 mg capsules (cephalexin capsules, USP), to Primary Care Specialists in the U.S.