How do different age groups use benzodiazepines and antidepressants?
Background: The use of antidepressants and benzodiazepines is increasing in Australia and worldwide, and it is thought that some of the prescribing of these classes of drugs may be inappropriate. However, the demographic characteristics of the subgroups of the population responsible for this increase remain unexplored. Objective: The aim of this study was to examine changes in the utilization of antidepressants and benzodiazepines between different age groups within Australia from 2003 to 2006. Methods: The Australian Pharmaceutical Benefits Scheme administrative database was used to obtain dispensing data for all antidepressants and Publicly subsidized benzodiazepines. Changes in utilization (amounts and patterns of use of different compounds) were compared between different age groups from 2003 to 2006. The WHO Anatomic Therapeutic Chemical/Defined Daily Dose system was used. Results: Use of antidepressants increased from 2003 to 2006, and in each year increased with age, with those