WATERTOWN, Mass.--(BUSINESS WIRE)--Tetraphase Pharmaceuticals, Inc., a clinical stage biopharmaceutical company developing a portfolio of potent, novel and differentiated antibiotics designed to be effective against drug resistant bacteria, including multidrug-resistant (MDR) gram negative pathogens, today announced that the Company will present at the 7th annual Lazard Capital Markets Healthcare Conference on Wednesday, November 17th , at 2:15 pm EST at the St. Regis Hotel, the Watteau room, New York and at the Piper Jaffray & Co. 22nd Annual Healthcare Conference on Wednesday, December 1st, at 1:10 pm EST at the New York Palace Hotel in New York.