Tetraphase Pharmaceuticals, Inc. engages in the development and production of novel tetracyclines for serious and life-threatening bacterial infections. It also engages in the development of product candidate, eravacycline, a synthetic fluorocycline, as an intravenous and oral antibiotic for use as a first-line empiric monotherapy for the treatment of resistant and multi-drug-resistant infections. The company was founded on July 7, 2006 and is headquartered in Watertown, MA.