Welcome to Shionogi USA

Shionogi USA, Inc. is a pharmaceutical company focused on the development and commercialization of medicines that address areas of unmet medical need. At present, Shionogi USA markets Cedax®, a 3rd generation cephalosporin antibiotic, and is involved in the clinical development of innovative drugs in areas such as HIV/AIDS, Obesity, Stroke, and Asthma.

We are the wholly owned US subsidiary of Shionogi & Co., Ltd., one of Japan’s largest research-driven pharmaceutical companies.