""Overall last year, the report said, drug spending rose 3.7 percent. Use of drugs increased 2.1 percent, the biggest gain since 2005.
Diabetes treatments, including insulin and drugs to control blood glucose levels, ranked as the biggest contributor to pharmaceutical spending growth for the fourth consecutive year.
Respiratory ranked second as a driver of spending, while rheumatology drugs were third. (Reporting by Lewis Krauskopf; Editing by Lisa Von Ahn and Steve Orlofsky)""
